{
  "manageEntity": {
    "action": "Delete",
    "entityId": "545875913",
    "entityType": "Track",
    "nonce": "0x9af03e7c1e22327e6102699dc3b57c001073aac664ba2a4d5e18140ccae866c1",
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    "signer": "0x5440c29276C58761A1C9fac1CF686DACF3AF49b0",
    "userId": "734659738"
  }
}