Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBsDn8N+m/lq4CNWuyOgghVGiGPK4EODTyJDdFXs3Z7cXy/4lEJQMPCNY6+… (844 chars)"
  }
}