Superman on Nostr: What is this?

{ "id": "370fd8133b56db3373b14841054cba853175c83e2cd0054304f791df8873140c", "pubkey": "509547efe7eb4b32b37b27b1407af12b12f3037a8b937554f44884e9555ef439", "created_at": 1727993937, "kind": 1, "tags": [], "content": "What is this?\nhttps://m.primal.net/LKSp.mp4 ", "sig": "5eae4c00daa163aa589d44fe6a061cc1cbde3894963db4f7a8407f67b654db5ffdb8c91f7d2677d1633e34e5adb7aefec4206ef50a357a6857ea8454ec799b57" }