inisialA on Nostr: how to change ava?

{ "id": "5b4440f9f46790c83c9077035a00ae99c26c79410cdcc3ae9275a53010b05f6b", "pubkey": "f35d62ed17d9602bb682d951f328e1159d11fd02ebe493f2c7b750934c4b33f8", "created_at": 1675445806, "kind": 1, "tags": [], "content": "how to change ava?", "sig": "7c7c0d432dc78d6cb6f28b0ba17103804c0a60d4907fe9b82d120f2a91709aa9402222ca843e903b97f65b37bbb66bce9d1fd76d3767253e00e0a6d1a8d6c558" }