{
"manageEntity": {
"action": "Save",
"entityId": "2041443936",
"entityType": "Track",
"nonce": "1793730522355957532",
"signature": "0x01c7088f6f10885e801aa8c70f7b169645771add76a57a67503ea136d66230a84ce6b1c1a82aba925375da5f7ce58434601cebce91433462986c74ccaa2d07dc1c",
"signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
"userId": "827420993"
}
}