Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBnuTxzNBpE1d2Hje90+UGMc4bXcAxRoMv+g6iPNGPSLT4KdMVwst4CZCsr… (844 chars)"
  }
}