Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAMYo3Hhpg8YFOZeIQ3fddjvxRAIWk44BQC0hxt+ZoSO2I5rVC47Zv7G8Yj… (844 chars)"
  }
}