Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAUiJF06dcGMM2w9w8VtKR+pNOTxzXm+Dch1hUVF1a8m3JOIv8stuErwu+/… (844 chars)"
  }
}