{
  "manageEntity": {
    "action": "Update",
    "entityId": "46360403",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5ced1f5465233ec3303b7122169ba07f1af5440bdd8d4d23b3a67c281dad22cb",
    "signature": "0xe53e2c5a0a54ad82afc96f9eee5215efeb9811cd8a47ca347c2066b08b39d98c501840717a0760e66390f2dc53ceacfe0f13fe778e217e085ba30c7c4464ab861c",
    "signer": "0x724E0d97Cc1946797FfA8566749aDeef0c1F5eC1",
    "userId": "46360403"
  }
}