{
  "manageEntity": {
    "action": "Save",
    "entityId": "700382217",
    "entityType": "Track",
    "nonce": "0x08894a181719c68acd5866432d285938c0e5dceafd26390ca72e7859afd86646",
    "signature": "0x068bd33e770a1276781f17516590d7aef5fe41691cb0e8fd1452343d9a0435c42955dbba07321a31a6a21df0c50b1e84dc2d80b8568c05fcc825cbf3b928cc481c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}