{
"manageEntity": {
"action": "Save",
"entityId": "822209247",
"entityType": "Track",
"nonce": "1792340843787715554",
"signature": "0x6a76876025407d7d349bf6ffa1a33bfe131256aed2f366c7b7fbe338852229941645a6fbad19e591e47a7db8da89341032d786d508118d7bab385f84a252ba5f1c",
"signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
"userId": "827420993"
}
}