{
  "payloadType": "application/vnd.meridian.challenge+json",
  "payload": "eyJzY2VuYXJpb19pZCI6InZhbGlkIiwiZml4dHVyZSI6InZhbGlkIiwicG9pbnRlcl9wcmVzZW50Ijp0cnVlLCJzaWduYXR1cmVfdmFsaWQiOnRydWUsImZyZXNoX3VudGlsIjoiMjAyNi0wNi0xOVQwNDozNToyMVoiLCJkaWdlc3RfbWF0Y2giOnRydWUsIndpdG5lc3NfY291bnQiOjMsIndpdG5lc3NfcmVxdWlyZWQiOjIsIm5vdGUiOiJQdWJsaWMgZml4dHVyZSB0aGF0IHNob3VsZCByZXNvbHZlIHRvIFBBU1MgdW5kZXIgdGhlIGRvY3VtZW50ZWQgc2VtYW50aWNzLiJ9",
  "signatures": []
}