{
  "manageEntity": {
    "action": "Save",
    "entityId": "2022073103",
    "entityType": "Track",
    "nonce": "0xd0f6db94d2814f3c4fca09fc38dba736799b51ba4155b8db276966c9e121d345",
    "signature": "0x5f56a281d7fab8ef74921dec618e2e65f2db4d8c0223c3499b61ab43f82e97c6080b35f03e9990110759826838f2751917ee3f3c547a99c0b2c9f8ca1573e8341c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}