{
  "manageEntity": {
    "action": "Delete",
    "entityId": "186442698",
    "entityType": "Track",
    "nonce": "0x9faac5193476de3466aa40521d1187bd0e1d67f75bcb1aa7a8e12e5ead47ef9f",
    "signature": "0xbd6134613af4cb27e6e6e606aaef53f97e044cb2611787728d1e02c88c0d9366582f242c3d7a768c0927bdba10f7609039b9ed63240268b6a2ae6aa35f4307a61c",
    "signer": "0x5edE4CDf5e928ECF15A1cd01346BF471A6801527",
    "userId": "1246"
  }
}