{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "164276",
    "entityType": "User",
    "nonce": "0x3481706cdbc1fbbfa6c5b362677ebcf14ae57cb7670ff5aecc57a1e1f7c7c4b2",
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    "signer": "0x1874B7817bcc33522bD9D33b6cb197A1Ed939E51",
    "userId": "235421"
  }
}