J on Nostr: How do I know for sure?

{ "id": "4fbad54a31526aa32ace1090089fd602e68915f1c9260e7060ffd60186091346", "pubkey": "ded241aa4dc9224e4f90bc6fa7657fb4655990d019540fa579d21a9fc3b41d2f", "created_at": 1731782049, "kind": 1, "tags": [ [ "p", "ded241aa4dc9224e4f90bc6fa7657fb4655990d019540fa579d21a9fc3b41d2f" ], [ "e", "fd31c235f5bbee67307378559742d365d2f9446d4724517d753d4c01c715299c", "", "root", "029a3000d1ba833f8a5aba99b705c72cb0b3fd2925095fad430a67c2afbe4bbd" ], [ "e", "7794bccd4cf6ee23097e2af56f762817bd2ea4b1c58f64207088d16a1b3e2b80", "", "reply", "39bd421090785b336d433780d6d40e4728419b34618e371483f4f4e3b6bcb468" ], [ "p", "39bd421090785b336d433780d6d40e4728419b34618e371483f4f4e3b6bcb468" ], [ "p", "029a3000d1ba833f8a5aba99b705c72cb0b3fd2925095fad430a67c2afbe4bbd" ], [ "proxy", "https://cawfee.club/objects/1e77cbd9-b62c-423a-b307-984783d3470c", "activitypub" ], [ "L", "pink.momostr" ], [ "l", "pink.momostr.activitypub:https://cawfee.club/objects/1e77cbd9-b62c-423a-b307-984783d3470c", "pink.momostr" ], [ "-" ] ], "content": "How do I know for sure?", "sig": "c494c3785405c1ad9a22a8d5a36209a9e35d77537d012f74997f6a9cf8aaa73424a3b90ffdf079be85ac90766741b83a00050eb66029a81e466dd0686f312b92" }