{
  "manageEntity": {
    "action": "Update",
    "entityId": "105606965",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradxsy74fb6fpf6vz3chotncbyrpelxzqscxkitgifckcwbawlajia\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":733789616},{\"type\":\"playlist\",\"playlist_id\":2088301971}]}}}",
    "nonce": "0xae2d6ab2d9c1f336face0a8f4c81debc7a3ed8a7bddc70857cd5d425a4ee85bc",
    "signature": "0xa1a8cf8e87d8c9a5964b2fb2d182b899e0d2572f1476b9a256ba13cb28ff87a1388680f0230f769bb2aab29aa976e68edee378e0d5ebf182fd2fae0be606a32f1b",
    "signer": "0xD12bff0355c7503A3aC63D35B4ea27cd3D46F29d",
    "userId": "105606965"
  }
}