Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE6f60vPEiXSaJTCuZX0Ls/lvsf+2hBYwCusHqE0IGSUzAIWGn4U2Q1sWDI… (844 chars)"
  }
}