Inserts a new key to the table or updates the existing one.
A name of the table you want to upsert the key into.
OK. Returns "data" : null when successfully inserted/updated.
"data" : null
{"data": {"keys": {"sku": "sku_123456","customer": "cus_123456"},"payload": "payload"}}
{"response": {"node": "string","csrfToken": "string","data": { },"status": 0}}