Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDGwIGO8rkH9ZL8UuNp7kyXxPeyA4txkqq7jl2Nc+b0WF/Nv4Cm3SxWB6Gg… (844 chars)"
  }
}