Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC5oiDI5ShDmDvLRdCynvANYMrR8c8OGMg4cZSCQOI1cg3Md7Rd5XK4T5ze… (844 chars)"
  }
}