diff --git a/src/dbus_fast/_private/unmarshaller.pxd b/src/dbus_fast/_private/unmarshaller.pxd
index 18c9ff8..e31769a 100644
--- a/src/dbus_fast/_private/unmarshaller.pxd
+++ b/src/dbus_fast/_private/unmarshaller.pxd
@@ -50,8 +50,13 @@ cdef object SIGNATURE_TREE_B
 cdef object SIGNATURE_TREE_N
 cdef object SIGNATURE_TREE_O
 cdef object SIGNATURE_TREE_S
+cdef object SIGNATURE_TREE_U
+cdef object SIGNATURE_TREE_Y
+
 cdef object SIGNATURE_TREE_AS
 cdef object SIGNATURE_TREE_AS_TYPES_0
+cdef object SIGNATURE_TREE_AO
+cdef object SIGNATURE_TREE_AO_TYPES_0
 cdef object SIGNATURE_TREE_A_SV
 cdef object SIGNATURE_TREE_A_SV_TYPES_0
 cdef object SIGNATURE_TREE_SA_SV_AS
@@ -65,6 +70,8 @@ cdef object SIGNATURE_TREE_AY
 cdef object SIGNATURE_TREE_AY_TYPES_0
 cdef object SIGNATURE_TREE_A_QV
 cdef object SIGNATURE_TREE_A_QV_TYPES_0
+cdef object SIGNATURE_TREE_A_OA_SA_SV
+cdef object SIGNATURE_TREE_A_OA_SA_SV_TYPES_0
 
 cdef unsigned int TOKEN_O_AS_INT
 cdef unsigned int TOKEN_S_AS_INT
diff --git a/src/dbus_fast/_private/unmarshaller.py b/src/dbus_fast/_private/unmarshaller.py
index d5695d2..56645c6 100644
--- a/src/dbus_fast/_private/unmarshaller.py
+++ b/src/dbus_fast/_private/unmarshaller.py
@@ -65,6 +65,8 @@ SIGNATURE_TREE_B = get_signature_tree("b")
 SIGNATURE_TREE_N = get_signature_tree("n")
 SIGNATURE_TREE_S = get_signature_tree("s")
 SIGNATURE_TREE_O = get_signature_tree("o")
+SIGNATURE_TREE_U = get_signature_tree("u")
+SIGNATURE_TREE_Y = get_signature_tree("y")
 
 SIGNATURE_TREE_AY = get_signature_tree("ay")
 SIGNATURE_TREE_AS = get_signature_tree("as")
@@ -72,6 +74,9 @@ SIGNATURE_TREE_AS_TYPES_0 = SIGNATURE_TREE_AS.types[0]
 SIGNATURE_TREE_A_SV = get_signature_tree("a{sv}")
 SIGNATURE_TREE_A_SV_TYPES_0 = SIGNATURE_TREE_A_SV.types[0]
 
+SIGNATURE_TREE_AO = get_signature_tree("ao")
+SIGNATURE_TREE_AO_TYPES_0 = SIGNATURE_TREE_AO.types[0]
+
 SIGNATURE_TREE_OAS = get_signature_tree("oas")
 SIGNATURE_TREE_OAS_TYPES_1 = SIGNATURE_TREE_OAS.types[1]
 
@@ -86,6 +91,9 @@ SIGNATURE_TREE_SA_SV_AS_TYPES_2 = SIGNATURE_TREE_SA_SV_AS.types[2]
 SIGNATURE_TREE_OA_SA_SV = get_signature_tree("oa{sa{sv}}")
 SIGNATURE_TREE_OA_SA_SV_TYPES_1 = SIGNATURE_TREE_OA_SA_SV.types[1]
 
+SIGNATURE_TREE_A_OA_SA_SV = get_signature_tree("a{oa{sa{sv}}}")
+SIGNATURE_TREE_A_OA_SA_SV_TYPES_0 = SIGNATURE_TREE_A_OA_SA_SV.types[0]
+
 TOKEN_O_AS_INT = ord("o")
 TOKEN_S_AS_INT = ord("s")
 TOKEN_G_AS_INT = ord("g")
@@ -371,6 +379,15 @@ class Unmarshaller:
                 self._read_array(SIGNATURE_TREE_A_SV_TYPES_0),
                 False,
             )
+        elif signature == "ao":
+            return Variant(
+                SIGNATURE_TREE_AO, self._read_array(SIGNATURE_TREE_AO_TYPES_0), False
+            )
+        elif signature == "u":
+            return Variant(SIGNATURE_TREE_U, self._read_uint32_unpack(), False)
+        elif signature == "y":
+            self._pos += 1
+            return Variant(SIGNATURE_TREE_Y, self._buf[self._pos - 1], False)
         tree = get_signature_tree(signature)
         signature_type = tree.types[0]
         return Variant(
@@ -439,7 +456,7 @@ class Unmarshaller:
                     self._pos += -self._pos & 7  # align 8
                     key = self._read_uint16_unpack()
                     result_dict[key] = self._read_variant()
-            elif child_0_token == "s" and child_1_token == "a":
+            elif child_0_token in "os" and child_1_token == "a":
                 while self._pos - beginning_pos < array_length:
                     self._pos += -self._pos & 7  # align 8
                     key = self._read_string_unpack()
@@ -583,6 +600,9 @@ class Unmarshaller:
                 self._read_string_unpack(),
                 self._read_array(SIGNATURE_TREE_OAS_TYPES_1),
             ]
+        elif signature == "a{oa{sa{sv}}}":
+            tree = SIGNATURE_TREE_A_OA_SA_SV
+            body = [self._read_array(SIGNATURE_TREE_A_OA_SA_SV_TYPES_0)]
         else:
             tree = get_signature_tree(signature)
             body = [self._readers[t.token](self, t) for t in tree.types]
diff --git a/tests/test_marshaller.py b/tests/test_marshaller.py
index 25c493b..93eb91f 100644
--- a/tests/test_marshaller.py
+++ b/tests/test_marshaller.py
@@ -496,6 +496,45 @@ def test_unmarshall_large_message():
     message = unmarshaller.message
     unpacked = unpack_variants(message.body)
     objects = unpacked[0]
+    assert objects["/org/bluez/hci0"] == {
+        "org.bluez.Adapter1": {
+            "Address": "00:1A:7D:DA:71:04",
+            "AddressType": "public",
+            "Alias": "homeassistant",
+            "Class": 2883584,
+            "Discoverable": False,
+            "DiscoverableTimeout": 180,
+            "Discovering": True,
+            "Modalias": "usb:v1D6Bp0246d053F",
+            "Name": "homeassistant",
+            "Pairable": False,
+            "PairableTimeout": 0,
+            "Powered": True,
+            "Roles": ["central", "peripheral"],
+            "UUIDs": [
+                "0000110e-0000-1000-8000-00805f9b34fb",
+                "0000110a-0000-1000-8000-00805f9b34fb",
+                "00001200-0000-1000-8000-00805f9b34fb",
+                "0000110b-0000-1000-8000-00805f9b34fb",
+                "00001108-0000-1000-8000-00805f9b34fb",
+                "0000110c-0000-1000-8000-00805f9b34fb",
+                "00001800-0000-1000-8000-00805f9b34fb",
+                "00001801-0000-1000-8000-00805f9b34fb",
+                "0000180a-0000-1000-8000-00805f9b34fb",
+                "00001112-0000-1000-8000-00805f9b34fb",
+            ],
+        },
+        "org.bluez.GattManager1": {},
+        "org.bluez.LEAdvertisingManager1": {
+            "ActiveInstances": 0,
+            "SupportedIncludes": ["tx-power", "appearance", "local-name"],
+            "SupportedInstances": 5,
+        },
+        "org.bluez.Media1": {},
+        "org.bluez.NetworkServer1": {},
+        "org.freedesktop.DBus.Introspectable": {},
+        "org.freedesktop.DBus.Properties": {},
+    }
     assert objects["/org/bluez/hci0/dev_CD_A3_FA_D1_50_56/service000b/char000c"] == {
         "org.bluez.GattCharacteristic1": {
             "Flags": ["read"],