{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1521221695",
    "entityType": "Track",
    "nonce": "0x95f7d67806dc79c23cf5771bb3edfe7b121c512583a6898957750f46c8b91a00",
    "signature": "0xe0fd788c191714c9196b42dd60198aacd01c1610beb32e868abd325cfa1bb20e555378e3dabfdd5b23d45bf054b812c20ee18d0f45bc01a9dd187d73084cc5f21b",
    "signer": "0x04032370f473D46Aa4C598fc52366c5fB5915f04",
    "userId": "116136"
  }
}