{
  "manageEntity": {
    "action": "Delete",
    "entityId": "479123764",
    "entityType": "Track",
    "nonce": "0xc6448c9a064e3014b14bade16a92f3a88df889a4e86bfdf7d746160338418219",
    "signature": "0xcedc033d494339e719ea132ea26a8d9098b0d1b30ec4e8be26f0be9b84849b094e21398a2010d78e3c8c2c52f31661b82e12dc9cbd9b3224635e367bd5838af51b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}