Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBBkm/4gWoE7eSEnTGgHfLxk04u2uYGJWxa1DgxRNK7+E9LpCfDS5LUZAxL… (1,748 chars)"
  }
}