Customize the docker0 bridge on debian 9

Hello,

I have a Debian 9 with Docker and my corp network is the same of the docker0 bridge (172.17.0.0/16). I created a daemon.json on /etc/docker (https://docs.docker.com/engine/userguide/networking/default_network/custom-docker0/) but when a start docker there a issue.

dockerd[1747]: unable to configure the Docker daemon with file /etc/docker/daemon.json: invalid character ‘…’ looking for beginning of value

My daemon.json is:

{
“bip”:“10.10.100.1/24”
}

Could anybody help me?

dockerd[9796]: unable to configure the Docker daemon with file /etc/docker/daemon.json: invalid character ‘ï’ looking for beginning of value