Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGx7Wub1r0Dm9eBTlc2i7vgZ+AksKq/lzZmOCymLXwW4H5sZZ28j2S6ZJbb… (844 chars)"
  }
}