{
"manageEntity": {
"action": "Save",
"entityId": "1099887361",
"entityType": "Track",
"nonce": "0x469b31f7c6521b2f483d9fcaa2dd7c7ab89db8f3b0884a8e19d044afc8cbb3e4",
"signature": "0x1d13dd252e26a246965bfa67c1b7ccfc0ebee34eaba48d8208d8efe19fcf03390cbe1ff47b04ca5bb159737f12ee11dec744f308f75088db41fbc1e6e16991791b",
"signer": "0xa22176a11BF6703EFe39D488aA7cC06aa781C44A",
"userId": "633924738"
}
}