Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEVXJVj6ZNV7BwSdhcxr5+2vtjXfTysRdADDmwJf/UP4gZ6rvlLGEiR4qr5… (844 chars)"
  }
}