Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH1+2kXV8bFtYKEV5OAOGe2N8C9f7YLQtrhPOEEdD6L3DcdZNnqNj2YwU9Y… (844 chars)"
  }
}