{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1099715",
    "entityType": "Track",
    "nonce": "0x59fb59d5018ba780fc261aac0c653aa02f6d5aeef71b13ee4de6da67c4fe056a",
    "signature": "0xbf866261c4b41da1ca13d9344de4f28a79924bf8849e7fb52ac0aecb90bd75444ccd09cf3fc20c9348286b51a9e2b71984887b4a7d3b0372c54a9d573f7bf7551b",
    "signer": "0x4Fc2f8E7301f04de1988F32fcb3fc1Af644ba1A7",
    "userId": "1004420"
  }
}