Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF6CTWU/DkIh6xgMNf7Yxen7bYbtb8xoJFxvCPGEhryrCtCsbkC0dNcEb/8… (844 chars)"
  }
}