Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDAZw6lm8Ga8WcLLVeO7ZeKWyI8SrG8+QmV1TbzUbtbKHX8cUcCse45nEjH… (844 chars)"
  }
}