Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCKE3/DD4u6XN2az1/qGrvncuvXrwWu7ij7B2qcGfrHwkZWqvtyLa4+6a1e… (1,748 chars)"
  }
}