{
  "manageEntity": {
    "action": "Save",
    "entityId": "1860947372",
    "entityType": "Track",
    "nonce": "0xba6cea999b60510acd77a009249688d5e378080641bb234134e32bb2dfc622b9",
    "signature": "0x6b13fe24043d61056e691e5b8ff6226c1f1a729524774106e5bb0d2395a737b1186fe63f3b3925409fcf5bacd5c5dac3f0597463adc61844b90022424c64762c1b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}