Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBDEnFJ2UHvQ18c1lR1zqUlSHq9oaC+z5JkBRNKPqeQPBtqq798ga5qCC/p… (1,748 chars)"
  }
}