Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH2fmpw4k9r3bmrFq2GYvZ+QdAo9+jgBqF8HjFCSiQyUlCnSC3C66LYtjO2… (844 chars)"
  }
}