Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHjQ6xeKN+mqFrA4MaoRwxYSb3oXBM9JONYt8dYZbBP2m2oO1N0ME3rP9hZ… (1,748 chars)"
  }
}