bitcoms on Nostr: Estimated by whom?

{ "id": "1ab85d30c93aa66fdd5a62cc613b4f1642eaa9470e6afa9df8d4c60b85241fef", "pubkey": "3c35d359c5ab69e822b138c3e08925ab267ff6bd3118da274e9c868e356ea543", "created_at": 1682345388, "kind": 1, "tags": [ [ "e", "f88a4d489cc1fe53e8594f16209cfd81a08ed011402a889c42f0728e4b380c7c" ], [ "p", "bc385dfbeaa4131fefb92f84a9c50e4bc4260e2da5183f7113aecd5f1d301abf" ] ], "content": "Estimated by whom?", "sig": "c1b7ef1ad84c588dbeec5ee0a826e13019b6dfada5ac7884de4555ac324193661caaa045b53fb3e06125573d50a9647acf330dae7586280f9f91fc9fe4f3062f" }