Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFh51pI+E7xW2+ucY1NTlXTU5UIvZugCSWO9oZT9vcxcUWYz1jc0cA9Pf/1… (844 chars)"
  }
}