Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBSG7PezSdNBwL1J4z6IOAM6fsBzBVRlAJ9oPc/FmSCcBOXo0UjNd/uOGFQ… (844 chars)"
  }
}