node on Nostr: What is habitica?

{ "id": "86b2affbcc809c89511da33dda49b85aa07b7d843d34acb33bd75d85e0051f3d", "pubkey": "18905d0a5d623ab81a98ba98c582bd5f57f2506c6b808905fc599d5a0b229b08", "created_at": 1750120167, "kind": 1, "tags": [ [ "e", "7074df4a405ea1b7830d9ec6a693306e40cc151aa3d44d871db170d0691a4a4a", "", "root" ], [ "e", "5c6cb053226cf1c1e9a927db72b79782b934d8bd5fd13676a277c9fa7e84600c", "", "reply" ], [ "p", "c3f12a9a85beea46ea631c95652a17e02d3bcbe477bd1709350f217e06c21301" ] ], "content": "What is habitica?", "sig": "8645abcebb3cee233617611fac63be85e0104745511d697ae022bcbe8d90b826dfff7e496a7225dcfd1e07c90cb54aaf067dc69902e2789837ba145cd2a1636c" }