{
"manageEntity": {
"action": "Save",
"entityId": "856487872",
"entityType": "Track",
"nonce": "1792352279308082345",
"signature": "0x3eb34d9a2bcfa60764be9e1241e7440b39e22eeee3771e2e8bd60baf9a7988dc5a1f8dfa2319414e2729313a237c228ec9542c80aebde60fd43e124ce62144db1b",
"signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
"userId": "827420993"
}
}