Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBEkcXVnXEPeb9/DwQpTl84bgr6bBz2u0BupYxQZZ7M3QRq0B0Nw9NigVE+… (844 chars)"
  }
}