Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDtK5hNblib+XvhFt8zF+mXsiNvXRtpGz94oNuJIbLvhHfvnpgVXq5qz+XE… (844 chars)"
  }
}