{
"manageEntity": {
"action": "Save",
"entityId": "2047462079",
"entityType": "Track",
"nonce": "1792380406184834945",
"signature": "0x13bd0d33e33bac4866175f9b60c95d1f4bcffe564f11515f8ffd82395e45d90c084b33263c78e32976b592c865bb5b86a9639f86fd11cf48909c0ef160f0b4321b",
"signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
"userId": "827420993"
}
}