Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFqCDqA4C+YWjttbv+bPrqH5X4DrE7v/TK5417u7bz+8Xx18HVgDTkzFZwb… (844 chars)"
  }
}