Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAPX5Y9vXfNfCD8nxbChSEKUmcNoyF7bYkx/XIWkI+3y0Ko8lHt8HY9VjGZ… (1,748 chars)"
  }
}