{
  "manageEntity": {
    "action": "Delete",
    "entityId": "839702461",
    "entityType": "Track",
    "nonce": "0xa8a71ee1a6415439d85ded4c982809089fdbd02243c70d1760346614cd4f880a",
    "signature": "0x86f4a7e9df54facc6f5cf060c222192d5d0e42b149731bc1353a3fc26d7d933d34730ed03fe896421d9cc6825fb4fb455f4ae2299bbddba0a8ad1a6c3e2d3ccd1b",
    "signer": "0xeecAC0808DE6320b11157473c635f58fFc0668A0",
    "userId": "423422344"
  }
}