Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBE1DD9Pl/SswfrlJJoCz3kBU7R/YjXPRAv6L5Nnw5vkBDzc8ITKAjGzmFv… (1,748 chars)"
  }
}