{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1558076733",
    "entityType": "Track",
    "nonce": "0xc02ec027df6f6cdc95d1156894b8ee72a62a3139bb4b0c0409ffc2bd7f7954c8",
    "signature": "0xb4079b05303cf0339c97985181c0d2061944addd850d4d542feb795e14a3bb521c0008de3c8cdad06b5bedc97e809ed3d698acb9cdfdae254d15987028d854de1c",
    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "28561"
  }
}