express json body

{ "steps": [ { "step": 1, "action": "Define the structure of the JSON body using key-value pairs." }, { "step": 2, "action": "Assign values to the keys based on the specific data to be expressed." }, { "step": 3, "action": "Ensure that the JSON body adheres to the syntax rules, such as using double quotes for keys and string values." }, { "step": 4, "action": "Verify that the JSON body accurately represents the data it is intended to express." } ] }