Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB/Fj9/ZQNawSE7fw8oeqO+i2yamVD17JwC8PkrpnQPuRZ9a8wuKLPGMFhH… (844 chars)"
  }
}