Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCY3T6jj3NE8PM/bFMf/1YZRiimKfmlS/eIMrj/T85udQEBzdy2wn8nVlxO… (1,748 chars)"
  }
}