KEY:
notify_nats[:name]  publish bucket notifications to NATS endpoints

ARGS:
address*                          (address)   NATS server address e.g. '0.0.0.0:4222'
subject*                          (string)    NATS subscription subject
username                          (string)    NATS username
password                          (string)    NATS password
token                             (string)    NATS token