{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1949706329",
    "entityType": "Track",
    "nonce": "0xc8509dd0cac85d268c3a2890fee5cd5a216e38d88515b4285a0da4ac69aefd91",
    "signature": "0xb376be6c1150f4bd27aad7999bcc8af9deae9a38ba30b271a0a8f1632962e6957d108d04cb27553ddb432dcb4c5e168e8e804fae87a5b4a52fa157aaa700bc8d1c",
    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "615496728"
  }
}