{
  "manageEntity": {
    "action": "Save",
    "entityId": "94034",
    "entityType": "Track",
    "nonce": "0x450b166a52337228ec5ff229fcb3b39d141f283d4ddd08b7abdcb9ca8061f53f",
    "signature": "0xdec092a8d1c81b2c7e5fc1f2574aebfa1547cb68a475948a06841ff8c4c604e82dd30d98cfa7b3fc67bfa4a9c35d23a5a6db9918ab81a573f00340aa2e5602681c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}