{
  "manageEntity": {
    "action": "Delete",
    "entityId": "455312",
    "entityType": "Track",
    "nonce": "0x8fb7b87d715df644b057bfd379d27b64804f0bcc80c2f52dc0fe8d2e99cfbcc5",
    "signature": "0x2e1a06ab767afef4286d52ca57e7284b727e782fb7b56a36f7e2cb5090fe28f0182814ef07a02a8a22716cf7c83d2f1334f6c0799de0bc20a5ef23de20c6182e1b",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}