Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBuIjHZzuGvd/NpcgyBxLuqA4HmtA4rvVNCaiQzls2l6HhPUoHMJEJAo0C+… (844 chars)"
  }
}