Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFCTDSPk7SYeo/c1OAw9Lg/F4S1xbjM43qWxFSo6tVLhHG1S/CZOcsxs86B… (844 chars)"
  }
}