Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQALY1gXEb+S3cHk4InvPCEEUW3+ZS/AI+KRL3HKiFsHAFkcw53dkFoNgBB8… (1,748 chars)"
  }
}