{
  "manageEntity": {
    "action": "Update",
    "entityId": "116504833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3085a62cd7b47efe7d37c9392ec056fec3fa38de71af073e37d6b4bafad9af12",
    "signature": "0x5ef540da792f1d452357dda3ae0f85e5821fa6d5a310e7f84d07e091b371ab8630a1608a1b8c414a8a180ba7876d4d5992d05b055ac086b7e1be5523b40af90c1b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}