Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF5prHvPBnigENc1TG6vxWEHDjSt7QQOt+O3eL4uu2KuwtqvLKWt4ZGHGbw… (844 chars)"
  }
}