{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "477816",
    "entityType": "User",
    "nonce": "0x3f5607e66e7440bf88a07e37ad769c1b8b8a76dea675fb0866d969967781de0d",
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    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}