Usage: /usr/bin/create_id_token --key <private-key.pem> [options]
Options:
  --alg, -a   Algorithm (e.g. RS256)
  --aud, -d         Audience
  --email, -e       Email
  --groups, -g      JSON array of groups, e.g. ["group1","group2"]
signing key (required)
  --iss, -i         Issuer
  --key, -k         Path to private key in PEM format or HMAC key
  --kid, -z         Key id
  --name, -n        Name
  --oot, -o         Output file, default: "./id_token.json"
  --sub, -s         Subject
  --ttl, -t         Time to live in seconds