Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEEbKl4feHqWQnDW0redW+wn9x84/Q+EE4j9Qjut/r6+BJGlPJcOOr4JdHj… (844 chars)"
  }
}