{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "528478879",
    "entityType": "User",
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    "signer": "0x0cA981EBB0E4Aa80eA1e5833e1685eEe6A1B7ba2",
    "userId": "395354603"
  }
}