Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH/MxgiRMTxzXXmUoLq92e+NvtVBAXOgZK+EQfnJy2+pgJyu+cKXeZo3mCt… (844 chars)"
  }
}