Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA0BdtzHifDg7u/JKgd+zV0UcwWMe12EQ0tzdS0ICjtPTqFBHe2OQNzw5PX… (1,748 chars)"
  }
}