Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFs0U0/z2/5+v/cU8PbQeHE7W8WR4wEG2XfxpP7pZKsp1Mp6Dbfc6p0K1kg… (844 chars)"
  }
}