You can return n in your cypher query, it will return all the keys and properties of a node.
eg.:
MATCH (n:People) n
This will return
n: {
"Date_of_Birth": "1981-04-23 00:00:00",
"Employee_Last_Name": "Aaaa",
"Employee_First_Name": "Baaa",
"Age": 36,
"Employee_Status": "Active"
}