Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGXrfX3yc1ufJHVO8OW/avzMHCbg+7l4nuenPWBNqMnW1j7zATyGW2Px9uv… (844 chars)"
  }
}