{
  "manageEntity": {
    "action": "Update",
    "entityId": "270589339",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x86eaec3e19273c28553fb1473b4adb6a749190f8a39742dccc01cf95b806fdff",
    "signature": "0xce54a53659fa6473e75de4ccc7e6e4ba7e5af850afd0f1c70ebf8f2babad22c22a0fa4f5388a12420d977d027ad42f5ceeb1e768271f371e7ef42e8d84c67ab21b",
    "signer": "0xfaB9A02FB95D7896dE4728D709e3bffA5110091E",
    "userId": "270589339"
  }
}