{
  "db_name": "PostgreSQL",
  "query": "SELECT value FROM signal_kv WHERE key = 'master_key' LIMIT 1",
  "describe": {
    "columns": [
      {
        "ordinal": 0,
        "name": "value",
        "type_info": "Bytea"
      }
    ],
    "parameters": {
      "Left": []
    },
    "nullable": [
      false
    ]
  },
  "hash": "c86da12578b2e53e0bff374121b22244c4663820cbb6edfd8f0b8c9aa583cad2"
}
