{
  "manageEntity": {
    "action": "Update",
    "entityId": "403667803",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramuat3b5bqzaqtcpuqrwmlvy526kpknnisryzw5vr2usovfadf7pq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":553185963},{\"type\":\"playlist\",\"playlist_id\":2031633327},{\"type\":\"playlist\",\"playlist_id\":527518859}]}}}",
    "nonce": "0x956933a0c6db28ded5df7186b961403f5221986d828761a5b4d0f4ec04216113",
    "signature": "0xebb493c4434ca96d4fa6ca17bc0b812a9d25a310f45891a0382bdae1dd1407305fdea1b0fe7df0985c0794cd5e04e7c82270319c739f4f9bf1d798779d73187b1c",
    "signer": "0x6CDB14bB0E06b4Dc606A00A022c8bF4229E1699E",
    "userId": "403667803"
  }
}