Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHp+xF7xp8dGSMCUQoX2ycopSlJ/PFSv9xYP3tID1fbBwK1Y6+RJZyZ2Pzr… (844 chars)"
  }
}