mix on Nostr: What’s this?

{ "id": "87f4f66ab242766f4821ca3ecb97b796b355adfd30a7332224afc421ff0ecb4f", "pubkey": "896dcfc42e8a8b79ba214959c82d54e9f19dc7392f70daa959ebaffb9c274954", "created_at": 1675489605, "kind": 1, "tags": [ [ "e", "2e4e5e782cf974edf3a20ad18a95cd0e3a5d91db5177536836be75e08c543907" ], [ "p", "4451a9686e09cace1194c6b11f5045c9cc9bec45539537e0410bfdf4887a009b" ] ], "content": "What’s this?", "sig": "1143f815771aa03d3a9e08a308277c8f5b52f161a27d309114ef5bdc012f5a119c07a77d25e5b14e008441d66fb68214d2fb342ff4c931cb2ec62bb27aa28ff0" }