Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAMLf/XedlMuX26UXtUuBcyR+9M5gM+NjP6NnSF5Du4ORzFz/vfLkdzJ+G4… (844 chars)"
  }
}