Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB+2ZJ1GkdFTQNFMrKl3ZkVFVwkuI0Kh6jC72lLG8BF21zej5vEXeq2jOlC… (844 chars)"
  }
}