{
"manageEntity": {
"action": "Save",
"entityId": "1202059635",
"entityType": "Track",
"nonce": "1792510729332860836",
"signature": "0xe805dd2a28e3626f484ba4c160029f5875be4feec9eeb7f978a23cb1d2486fdf05593d64e2fcb8b7df7a1f103909fff1604d720079f5453157d0d377cccd93181b",
"signer": "0xE9e5656ce6F7Fe41FDbCA982901407eB55765cD3",
"userId": "670307808"
}
}