Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH9zGCzDwP6+CduGIu+Ga9hs6SiyQu5Pv9+HEQ97f9V4273TpDCUxIaTl8N… (844 chars)"
  }
}