Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGkc/O9+eJmNJ1r9KBHNfwi8ZnTYElRoOCR40Q4ffTqXg97QBuUL6z8sfKv… (844 chars)"
  }
}