{
  "manageEntity": {
    "action": "Delete",
    "entityId": "525512481",
    "entityType": "Track",
    "nonce": "0x3f9fd43e212f1c6358c379b27b6a5e7be3513cbe042b8d430c035e878bc69912",
    "signature": "0x2eb5ee242f582c4bdac522471f3b0ab0941a5745b50c3f709278ff143717edf43d8854142094230138bb19cbf651bf1a0d57457d4f055660a498dc9cf286ea001b",
    "signer": "0xE58798A8eCCb4b8474bdDB89D94c8151E7BD4D10",
    "userId": "850489604"
  }
}