{
  "manageEntity": {
    "action": "Delete",
    "entityId": "597975",
    "entityType": "Track",
    "nonce": "0x3b73ec62a682831416207d94e9f300d5a193c04e41fc47a01739c22546d101b6",
    "signature": "0x50953ecf40578376dd4dec7b467c40642d0c7d26992f9ef61a5a48ce2c2441bf562524b6001907716f6545a5b9d78adf6667d1579e0c37b652904f833430ff891b",
    "signer": "0x6e9C5B9b53E6B0262A1F0e7D522171B38207717B",
    "userId": "152611"
  }
}