{
  "manageEntity": {
    "action": "Save",
    "entityId": "1122426",
    "entityType": "Track",
    "nonce": "0x0e1d5af0c47ddd3619fa747701ae38163ddba3678405380b2b08176381361ef2",
    "signature": "0x07f801d99dd758e9e02cd1402ce1b8114448b23161045170ef299ed7bf5f08e33f13782006d7ddbb5cc5b5318e9fcfdb51e1c8921d050dec57e351321c9d008d1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}