{
"manageEntity": {
"action": "Save",
"entityId": "941904881",
"entityType": "Track",
"nonce": "0x9a4e889d70a03ac05b6d64ca6a347c762e67db7e6ec84ea4e1419034cc3af669",
"signature": "0xe634c6fc1d0f7f72aec82ff3dcf621e3c1e85158cc756f11ba63eb500489fecb7bc5f159cf24447ad981e7b98d57d46bd1dfe1aab556ec38838fff025b90032a1b",
"signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
"userId": "714646433"
}
}