Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCDrbKYPu+77Yj+PdJm0y6vEE7lASLUA8qnb9gXD9B5Kns5drbs/vXmKgNK… (1,748 chars)"
  }
}