{
  "manageEntity": {
    "action": "Update",
    "entityId": "925764851",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x00aa4aab417bb5310df605002e264f3bf2d96478ac11265fc72ea957113b6f14",
    "signature": "0x3b63fe76803bf7e83694ebe359de90e63266f34a30bde04d2b1647a8bbe1cfbd032be7f4e97a00a59526dae6a5c11cbb819d339662440d0ee38862aa8292453f1b",
    "signer": "0xc744b00D2d79D452D6C0FB60b92ed9e78AD4f1b8",
    "userId": "925764851"
  }
}