Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFfwcB1pHeGFkyw9Bg5VakwGEI3oy7xPqA+H8C3WyOwIC2BFc8RUvp9KHFZ… (844 chars)"
  }
}