Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCjzr2lK2NdX6lqMBRQ9ZJ95Sz6HCszWNNYk/Bw6WGcZB02bKVj05Odsb3j… (844 chars)"
  }
}