{
  "params": {
    "unbonding_time": "string",
    "max_validators": 0,
    "max_entries": 0,
    "historical_entries": 0,
    "bond_denom": "string",
    "min_commission_rate": "string"
  }
}

{
  "error": "string",
  "code": 0,
  "message": "string",
  "details": [
    {
      "type_url": "string",
      "value": "string"
    }
  ]
}