{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1703665157",
    "entityType": "Track",
    "nonce": "0x7f6626354ed130658ffa379a3b981ca71cbf25c7f2d50a35cb2da9081e46a278",
    "signature": "0x99771827cd7986286261f97a462558a317145d5d61f1f4159cc9adfbdc9df14a42714011136b6cc487e46f1096349f78b76e947e919bf737ed83ac5843bf442e1b",
    "signer": "0xB1fdb4211728Aa91cA335811E0eAaD06b27686e4",
    "userId": "135129254"
  }
}