Update / Solved: 

Using CLI on Linux/MacOS: 

Send in the sample json with job_id in it. 
databricks jobs run-now --json '{  
 "job_id":<job-ID>,
  "notebook_params": {
    <key>:<value>,
    <key>:<value>
  }
}'

Using CLI on Windows: 

Send in the sample json with job_id in it and sringify the json as below
databricks jobs run-now --json '{ \"job_id\":<job-ID>, \"notebook_params\": { <key>:<value>, <key>:<value> } }'