{
  "manageEntity": {
    "action": "Update",
    "entityId": "164461150",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x403e28ae34252fac04833d28d63ef1e31f5e2cf30075ec08d929add7d21cb4da",
    "signature": "0xf2c4a634a39b495309f924aa94034fba307865f73cdd9acda594804cd2436eb644c72c79fd324f6a041a6c0fdaed3ab130167ad7e90bfc7e27cf6f72e98dcee71c",
    "signer": "0x3cb83Dc0BeA02d2C404C053Bb49Eda9A008776bE",
    "userId": "164461150"
  }
}