Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGS9bqUZKMDX9dKkzT1pPh23vCsxK/HE96P1eLgRyS1pQDiaNrrYjKv7x79… (844 chars)"
  }
}