{
  "manageEntity": {
    "action": "Delete",
    "entityId": "581351",
    "entityType": "Track",
    "nonce": "0x67192d0f257757b546c89aa241146297e5171228a4968c73430ac545349304c5",
    "signature": "0x01bf5b30298059b218c74944490f0a75f81871dc75415c96bde8ea003805dd9d6dd57150b6672b9b94d177f3c64bdede0b48c1050ca292c3bfa09faa921d1c381b",
    "signer": "0x474E1184c09087D27f5c0C028BB009b34033fF6B",
    "userId": "206394"
  }
}