Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGPeAvG1a5UlpMZLPoDrK0ioF+ppnGHcD4EJU9CJQxbk3Ls/MpEMGtM9EwK… (844 chars)"
  }
}