Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH2qey8TWNVxv/N8Wm0/AHY9XKIX+aw0JCtxI+bGRe8f3I3mlbX5niZkXbm… (844 chars)"
  }
}