{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1899696858",
    "entityType": "Track",
    "nonce": "0xd9986d53b2e226ca2d6493f7b534c8ed7667c87429a4c088ec5dcc722d1f8267",
    "signature": "0x190dc041811a2948e2b6f940dcb257a7ef52896c642fd3a0c83eb1e82fcdf74f30b2570b501594e7dc16a506286e4c1e61e4a9f62b1c363065ad4f1d93e9c6551c",
    "signer": "0xf3BcA53FBA265774b7d4cd806361400e3c5F3526",
    "userId": "716430369"
  }
}