{
  "manageEntity": {
    "action": "Save",
    "entityId": "1759689169",
    "entityType": "Track",
    "nonce": "0x08ebd36e0178c5ba5f14e36b2b6985777d53b51e78c0401f568ca9b1ad093528",
    "signature": "0x3eb87b7796ee208fc436a3309256a025ebc429de358534e1a103783f48f0edc921899038ea1d20032bf61f9041a8c8e5374e5bc216e68ab73c13181e702e0e881c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}