Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBdXKzLZPgBq2cq5ViDNCcTpkK7+eQjUq7HVxYVBoOfIn4d2sAYJAjUYUs/… (1,748 chars)"
  }
}