{
"manageEntity": {
"action": "Save",
"entityId": "1936065927",
"entityType": "Track",
"nonce": "1792299698839497409",
"signature": "0xc01b8344ddc06222ea307491dc39937f7440e8f38c12e1cbe520fe6f278ad6ad76265c837e44dec12a888495825bf9bb5b8ada924d29379435791a54ff7daed81b",
"signer": "0xE9e5656ce6F7Fe41FDbCA982901407eB55765cD3",
"userId": "670307808"
}
}