['string', 'required'], 'token_id' => ['required', 'string'], 'registration' => ['required', 'array'], 'registration.id' => ['required', 'string'], 'registration.type' => ['required', 'in:public-key'], 'registration.response.attestationObject' => ['required', 'string'], 'registration.response.clientDataJSON' => ['required', 'string'], ]; } }