{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "868892842",
    "entityType": "User",
    "nonce": "0x041c1b3521f3a2db960479ee6fc38ad4f6ec3abd15736ad0c4981b53e9d5d29a",
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    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}