Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE9bOmXK0j/ZEUyopqLcf/PcBCHhvobn+jI3VRQBlWKvjR/C1gN4rXyzO7j… (844 chars)"
  }
}