{
  "manageEntity": {
    "action": "Delete",
    "entityId": "145046043",
    "entityType": "Track",
    "nonce": "0x3392ab5ec12e4023aad59778ca048851d40705ae8d53a457bd1c81c65b42886e",
    "signature": "0xe8bc36bc45f2bcc9231690701584b388987b43a234672c9bc5a2c8974db542462f1874b4263e5772a76b34b0125a5099d50a87a6827d07ad252b36621d4c76961c",
    "signer": "0x98F4295af45c93F3802F70FC0811654a74df1e73",
    "userId": "715160400"
  }
}