Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFrA3x/izD4uxUNHkgXMqD8yEv0AtSE+7Ks13QbhtmYtX8OJnzYPi2MJkuJ… (844 chars)"
  }
}