Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGOleutDg0NXBFAen9xMB7Ue5uQExlVAv9z7g0ujGXHby/FiZxhPMgz9v/0… (844 chars)"
  }
}