{
"manageEntity": {
"action": "Save",
"entityId": "353874440",
"entityType": "Track",
"nonce": "1794073056577405696",
"signature": "0xcbdd783ef368302963845e55764a9269911e1c522223190d54afcc7485d90224772562fdaac21ced3e2de569c1f6a6f37826f8f94787e1b8204335b0de6cd6b41b",
"signer": "0x2B24430aB69151D706F91F43800A4686A093ec28",
"userId": "695131502"
}
}