Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwADJbVDKM1uYJiw/Q/QxbAYhxgBsjcp4rlW5SYnEJflwS6HQXR4VF+eGSs+… (844 chars)"
  }
}