Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFuL2/gaa7in/j6xOiJeIo3BQxjDym1p0nxlh2T7nb4BXUpWE7BNjxPXcpG… (844 chars)"
  }
}