{
"manageEntity": {
"action": "Save",
"entityId": "1805303224",
"entityType": "Track",
"nonce": "0x79ddbb461c03358820049f15a452a2b7b4a0a127606371fa1a7af49366a588c7",
"signature": "0xc1f08994b7bbd081577891697596925005097cafc7e48efaed1816653d566782034e14485d7828ea9d4792adf1cdc31141cb337d7beb71334d36670b4eefbab21c",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}