Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFgF+n56Bb5S3PtsZ7MWiN7dY+kY+nPvoBD5Kd2DKSwRAuRu/kcsNBBY7I+… (844 chars)"
  }
}