MADEX on Nostr: how do I post photos ?

{ "id": "0e02bef9f891b394c40e6259053500a14881336a5b899cc2e650765ab270d75d", "pubkey": "9b6d95b76a01191a4c778185681ed7f3bced2fffa8e41516ec78240b213285f5", "created_at": 1677651370, "kind": 1, "tags": [ [ "e", "90ddb168f7b4efcc5020fc27d47c90927d8c3c791dcb6a4a50c22c5f8338f24d" ], [ "p", "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245" ] ], "content": "how do I post photos ?", "sig": "f7db6272f5cc7222a2633d478f57e57992ecb5ab935ea4b8242b10028e6f3f0388622c02f55b604df8dd53a19092db66dfbc43af3be441d29d6cfa7b71eed37f" }