Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCfgAgi4VW47i9Q6H5ui2HPDd/dflqiVn8a6JZN4+TbMFq7Mu1jmKkKlrBx… (844 chars)"
  }
}