{
  "manageEntity": {
    "action": "Update",
    "entityId": "593277027",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieragqpw2ciizrabmoc3opwkbzvcukyjqy3w7aajs53d4nexpgxpl75q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":922628040},{\"type\":\"playlist\",\"playlist_id\":2080760943}]}}}",
    "nonce": "0xbd59c9ce878f8d11c863b43239ddf85f40c4dd244e1470c61ead793706d4243b",
    "signature": "0x5fd15f5f835fded73ae7f4ad4532c710c184f76c53a8b31b823b8ece11815e081978ca731117690f0135e4d98293df440a213761abf83ac59e543f06fbf3a29d1b",
    "signer": "0x2686ff6e0A5a1287E9A0B544C91D0f476621Ddc1",
    "userId": "593277027"
  }
}