{
  "manageEntity": {
    "action": "Update",
    "entityId": "969179620",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraggikcr773yti5qom6lw4zjbwuquouv3q2myvtmk54yj66y66yw2q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1979234519},{\"type\":\"playlist\",\"playlist_id\":430142763},{\"type\":\"playlist\",\"playlist_id\":1052617040}]}}}",
    "nonce": "0xd5fd79bb854397d1a3ff2048f7785e2874cf822b60de720979443e8498c878db",
    "signature": "0x824910830f1d08522e79f2ba6dad4c4905182e90b66e3361d96b0c8bee4de7cd3c231a9e36697a81ddbf100bff6061643341a05f109ec7fd9e537247330c2eae1c",
    "signer": "0xD3aaf26adEFB3a5342559Af184A2B1A60d85d48c",
    "userId": "969179620"
  }
}