{
"manageEntity": {
"action": "Save",
"entityId": "1062289388",
"entityType": "Track",
"nonce": "0xc6368cd6b87886d113a46ea9f500b3b7e44943050be53d62546442adb4fbbb93",
"signature": "0xf372149f607b6b30de2282e480e718c390794e532653a72cc05852f67f290b4b37ed597f84a1c27202cf390a048517cacc97d79b734a881416076336f73a73e21c",
"signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
"userId": "881446128"
}
}