{
  "manageEntity": {
    "action": "Update",
    "entityId": "368835365",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3fc6f9805adb020060e430f17de67a8de17b6d842847b080a035ad9fa8e994d0",
    "signature": "0x788ebd5c67398c070136f99a493ecd31a5a9caabbe45feb15dc2be88e0f498132151f0b8eff4c24459f5fea16dc6ff7d855d145efaf5ad4b9d725357d77ec8531b",
    "signer": "0x4Ae361795D851f22E5b3F1736Cd63aB45A019AB5",
    "userId": "368835365"
  }
}