{
  "manageEntity": {
    "action": "Save",
    "entityId": "1779028462",
    "entityType": "Track",
    "nonce": "0xcc8f2a72170ab3cf0e7d614152169160811b53755783b578ff659ad04f56a9b4",
    "signature": "0x36480ee96485868a0acd4e487aae105f853a950840b82c83124840bc838ed7ff542e0fe8cfef00dbf25e4a7a95883b813c976884afd542c688d3e687777dbf3b1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}