Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFEiMQ519VoP3bbC5WftjVUJN/mDI6rPvBNjrOyT3qzfyoPxgvAQFr3xXO8… (844 chars)"
  }
}