{
  "manageEntity": {
    "action": "Update",
    "entityId": "674745869",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbd93157def2f8c93b3b8f16f5128784a58f9c424f78bf03a87b36e41ab02bcba",
    "signature": "0x0a5b1539c53e073a69d76c0580ad1ecf8d77fe492f87ade5b44134a42368c8b93213b49109f90cdc46e6cf09389fba257116057b5efd21f94570dae6655b4d4c1b",
    "signer": "0x082877c3B285FBD758100ABd141Af3936F42739a",
    "userId": "674745869"
  }
}