{
  "manageEntity": {
    "action": "Save",
    "entityId": "36343265",
    "entityType": "Track",
    "nonce": "0xb6a768910828adc537daf9db348f539eef01a386dfcfc5d4433d84de47ab2bf5",
    "signature": "0x21efccd1a469b309e389b173f637a2a440c2894e489d63c57f9a63c4723cc2133f7061408694349419a8041244f91a28f1251e2591579d1d234fd88c3bbc6cd11b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}