{
  "manageEntity": {
    "action": "Save",
    "entityId": "181890365",
    "entityType": "Track",
    "nonce": "0x98aef16ad654fa75c4cfe3da617155f011e2dfed6bc02300cfa1ba3dec35b664",
    "signature": "0x8a4eb22c39db0ef53ce295197952fa25431477c407066996f027c0d2c8cadc6c1f384916d33bb7d634c9a66c5e27ad551df4572299b25887b2b45f67a20640ff1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}