Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCERTgItxAHSP8mb2OcBJJ9DJWZAssLN7mLPOkPn6+KJQZFk8X0dg6kL9i4… (1,748 chars)"
  }
}