Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD3DnuEG3RvkdC8PYt1t8XWS4yrw7qWd+J14bCFb+iQyR3uW+NvXBXkIoG8… (844 chars)"
  }
}