iguano on Nostr: What is this for ?

{ "id": "67fd6609d408c6b3d7978b1efed6515f75ddbf29191b4f02db5f05e588709187", "pubkey": "f1851e05dc13c92416e06b076b6b5b1564075261d88f0821a8d0a40f9451e317", "created_at": 1674316529, "kind": 1, "tags": [ [ "e", "2e145136f7e6b76567d5ad170b690c8e07829fa53a4cc6f4cf32d5c0f7af6d33" ], [ "p", "339db62c91c8cfa8f085f89f115f1ad95df10ce749730239b6054d2453332908" ] ], "content": "What is this for ?", "sig": "92bc5400719b43f53467e7f269ac3138609625fdc4d3867cb6cbdd19023b0b3fb842056faaecb3d908544f008954b6e63b6935a69dbe8622d85e819651ad5fc9" }