Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE6Sxwl3YL+y29Ons3EzcNSZC1D3COH08OMxZPyCVzw2Uu2Jr2eufzlXIYB… (844 chars)"
  }
}