Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBqEYUiX+RT0izanu4nPq7SqMZ0PvbgvPls+Z4QDH155RNMr+ZtCG+pF21T… (1,748 chars)"
  }
}