Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGBgfzRhYotDU1FCmT/2zJy0TcIYeWHC3+giMmrITRuYVB9RNRURydiZITQ… (844 chars)"
  }
}