Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCdcDG1CEsqP2HWkdEAezDz5wZmAeJW684zYIINCnXA2zbvi3Aku7oKQJac… (1,748 chars)"
  }
}