b = nbuf
				}

				hdr, v, err := decodeXLHeaders(v)
				if err != nil {
					return nil, err
				}
				type version struct {
					Idx      int
					Header   json.RawMessage
					Metadata json.RawMessage
				}
				versions := make([]version, hdr.versions)
				headerVer := hdr.headerVer
				err = decodeVersions(v, hdr.versions, func(idx int, hdr, meta []byte) error {

						AccessKey:     user,
						SecretKey:     acc.Credentials.SecretKey,
						Groups:        acc.Credentials.Groups,
						Claims:        claims,
						SessionPolicy: json.RawMessage(policyJSON),
						Status:        acc.Credentials.Status,
						Name:          acc.Credentials.Name,
						Description:   acc.Credentials.Description,
						Expiration:    &acc.Credentials.Expiration,
					},

					AccessKey:     user,
					SecretKey:     acc.Credentials.SecretKey,
					Groups:        acc.Credentials.Groups,
					Claims:        claims,
					SessionPolicy: json.RawMessage(policyJSON),
					Status:        acc.Credentials.Status,
					Name:          sa.Name,
					Description:   sa.Description,
					Expiration:    &sa.Expiration,
				}
			}