{
"manageEntity": {
"action": "Save",
"entityId": "2133796135",
"entityType": "Track",
"nonce": "1792290761294925361",
"signature": "0x09ecdc37a27043e414d4d2d1ef773fb6ec96b8470c459ad62ecc0a314f08c2a10ac0071703b9d356ecc08afd8b9017328d38754df89c2d85c0498fbc56a150101b",
"signer": "0xE9e5656ce6F7Fe41FDbCA982901407eB55765cD3",
"userId": "670307808"
}
}