{
  "manageEntity": {
    "action": "Delete",
    "entityId": "747049",
    "entityType": "Track",
    "nonce": "0x5dc34968cf1774a251b54f037aa4b0a47aa5051eefb9b8e5f48bfca501935bca",
    "signature": "0x79b0b772a81271e90c0d0e2fc4394193b848bee14dfd5a1533940e28ea56aade4ce8f11204e86a45e9903d119452ce936353461f52e7c86bdfffd10e77c4391f1c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "124"
  }
}