Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD2y8Bl3Dii1FPo0xpvFM8mu5oaC7LG2rd/8U5l55eJYlFEA5dY/YxOjxtv… (844 chars)"
  }
}