Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGeeC7TD2jzCB9O+Knd7+hJmZKyyLPCCJ56JGmGC1/9uGIMJp+SO6Qrwh0F… (844 chars)"
  }
}