{
  "manageEntity": {
    "action": "Delete",
    "entityId": "640593754",
    "entityType": "Track",
    "nonce": "0x7fc89648c683ee020ceb4df8a3da96abc95c25b6ea3ba037df5420f954afe99f",
    "signature": "0xae1c9d7087f492c8b7b5d765df8f722c9040dc95ce9f1dce36a9a7f76bf2708a4780fdcb56cdd3966220d4191abb83b79bca59d4448b5913a751afa6b0c828f81b",
    "signer": "0x51C747e7437C025eb47a63843f019C0ff2253474",
    "userId": "41804"
  }
}