{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "54529",
    "entityType": "User",
    "nonce": "0x1030b65d11712b53db4e2d8bff62648c65937e7c38887bec99aeee6373d48610",
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    "userId": "389958"
  }
}