Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGxkz3zLuLy/KJ1a0SIUw7N58hiUkpG7LuVn5yKO5F+uRFMtvjwM2TVU8Q8… (1,748 chars)"
  }
}