Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGjocBxhPsNznrT/AIO+VJ9NeOSH2y8ZFPLp47qdXCxEgPKTFW9WFR/eAa+… (844 chars)"
  }
}