{
"manageEntity": {
"action": "Save",
"entityId": "1518260724",
"entityType": "Track",
"nonce": "1793019135382864494",
"signature": "0xf15f26a3dd64412f7ffa76dd7fe390876ed025cea0e0745fdff76fb95e1eb6de1ddeb8df7021eda78cb86abe1225989b628e68744f9472ccca65489d5cfd9e961c",
"signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
"userId": "827420993"
}
}