EDJ on Nostr: Which app is this?

{ "id": "9545b19448b4482f6e5fff2d53563af08051a20b2cd9ab31ba0f2a8a6b4016dd", "pubkey": "b4f5e7213013bcbbb551cc45599c2d5cf127f82067d947aba604dafe7b612e38", "created_at": 1732308213, "kind": 1, "tags": [ [ "e", "15310c596936b68a5bdd3b85ebdc234949dbb3400d4bb90103c4a9cf4b0ccb50", "", "root" ], [ "e", "9ad32994be501410d06988a7b4ec0164f29e1e759d0f6e8ec6766d4eac41aae0", "", "reply" ], [ "p", "82341f882b6eabcd2ba7f1ef90aad961cf074af15b9ef44a09f9d2a8fbfbe6a2" ], [ "p", "6c237d8b3b120251c38c230c06d9e48f0d3017657c5b65c8c36112eb15c52aeb" ], [ "p", "958b754a1d3de5b5eca0fe31d2d555f451325f8498a83da1997b7fcd5c39e88c" ] ], "content": "Which app is this?", "sig": "d303e6b8fcae32658cb6aeb2297fe9f3606ff76afc8d7a132e7b474c417947f2a5d2a7a7e99e2322b85844f8021aa4119f7822daf785db03ca2160f5fabac028" }