{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "281553",
    "entityType": "User",
    "nonce": "0x729351d43ba6b3ce287f2341dbe3bfbee6a69abb82dfa7da31facca44847283e",
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    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}