{
"manageEntity": {
"action": "Save",
"entityId": "60348817",
"entityType": "Track",
"nonce": "1792339265569591569",
"signature": "0xd93b2d778cf4186e852e461d096989cab9209904c5c6a35423f5dfdcc6acc43c748859235f71aa961bde3276ba5e7e63bcd39b9c2f9726c7e56a52bb0be1693d1b",
"signer": "0xE9e5656ce6F7Fe41FDbCA982901407eB55765cD3",
"userId": "670307808"
}
}