curl --request GET \
  --url https://api.example.com/solana/airspace/{id}

{
  "airspace_pda": "<string>",
  "owner": "<string>",
  "property_id": "<string>",
  "min_alt_m": 123,
  "max_alt_m": 123,
  "policy": "<string>",
  "fee_lamports": 123,
  "treasury": "<string>"
}