Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAJLntg50DqNpfl0g10zPRcCQ3+nIBIY0PZsL0/TLfyUmLxkrs9OFx+I5N+… (1,748 chars)"
  }
}