Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHTuuOIWXmD3CCFHW6F4T1v5mGCd1Bnb+NmUU03Gmns733JgWrYFrypbqnb… (1,748 chars)"
  }
}