{
"manageEntity": {
"action": "Save",
"entityId": "2098922145",
"entityType": "Track",
"nonce": "1792354905687022207",
"signature": "0x6f534692f2df8647cb4df58ac79fef0ae986ffb9bd0bdbeb1a88c2a5af3635ec00fd42cc6998aa699a3679c5e8306aa827aeb1b05791d83c5da729f421413ded1c",
"signer": "0xE9e5656ce6F7Fe41FDbCA982901407eB55765cD3",
"userId": "670307808"
}
}