mvccore engine on Nostr: 怎么换头像

{ "id": "1ae9ac305e6427c7448c97e72e58e5578452f96f7a04db4537c52b3b8b22e35f", "pubkey": "e6bfb99b3731a6814d4587d6d919f02354064058fd096a2acc49541aabee742e", "created_at": 1675494875, "kind": 1, "tags": [ [ "e", "2c7063409b9a6a83a6d2fba81ccaa965703eeca49bd177c005805227162a0a68" ], [ "p", "ac16ce8c6bf4965e1f478e2ab524e934a57024bcdc748c7c40bc6f86353be41c" ] ], "content": "怎么换头像", "sig": "57c352d4b89653b0660c9db72b8c11a2d1216fd2edc5e0f45d1974dd806fd5ab88fe39ff5e602b986ddcb72d1b0536e301af9f050e62d3df0da28dcf33b31b76" }