Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCwQVKPJ9VpMeq/AHPnJlzRqnV6Ho47Dd1lpwFE8P0EW1/+8Bx2wEJ69DKR… (844 chars)"
  }
}