{
  "manageEntity": {
    "action": "Update",
    "entityId": "18066",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradotvhpcplcya7fg3tfxceknwv6pf5zoliqczpvmml2qyoiin63qq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":24500},{\"type\":\"playlist\",\"playlist_id\":757328971}]}}}",
    "nonce": "0x6dfa8ca9319f06f55eded4720499c03c53177ae56ab4e31f8b036cab5460cdbd",
    "signature": "0x2a75c9f1be605e9c8b3f39b5e996254c0312b33e80b88748de99159828706d615fd4ba5556feddc74bfec0c22814880f373a4575c32242cf9ea73fa730a7ea9a1c",
    "signer": "0x71594c6BE82F91e7Dc5F3968F2b0E0d72dBef499",
    "userId": "18066"
  }
}