diff --git a/Cargo.lock b/Cargo.lock
index 7db4e79..60280c9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -163,6 +163,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "itoa"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c8af84674fe1f223a982c933a0ee1086ac4d4052aa0fb8060c12c6ad838e754"
+
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -281,6 +287,43 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "ryu"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
+
+[[package]]
+name = "serde"
+version = "1.0.145"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "728eb6351430bccb993660dfffc5a72f91ccc1295abaa8ce19b27ebe4f75568b"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.145"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81fa1584d3d1bcacd84c277a0dfe21f5b0f6accf4a23d04d4c6d61f1af522b4c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.85"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e55a28e3aaef9d5ce0506d0a14dbba8054ddc7e499ef522dd8b26859ec9d4a44"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "shlex"
 version = "1.1.0"
@@ -293,6 +336,17 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
+[[package]]
+name = "syn"
+version = "1.0.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52205623b1b0f064a4e71182c3b18ae902267282930c6d5462c91b859668426e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.1.3"
@@ -318,6 +372,8 @@ checksum = "dcc811dc4066ac62f84f11307873c4850cb653bfa9b1719cee2bd2204a4bc5dd"
 name = "waku"
 version = "0.1.0"
 dependencies = [
+ "serde",
+ "serde_json",
  "waku-sys",
 ]
 
diff --git a/waku/Cargo.toml b/waku/Cargo.toml
index 33a6bca..341bf33 100644
--- a/waku/Cargo.toml
+++ b/waku/Cargo.toml
@@ -6,4 +6,6 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-waku-sys = { path = "../waku-sys" }
\ No newline at end of file
+waku-sys = { path = "../waku-sys" }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
\ No newline at end of file
diff --git a/waku/src/lib.rs b/waku/src/lib.rs
index ffeafdf..0d6c116 100644
--- a/waku/src/lib.rs
+++ b/waku/src/lib.rs
@@ -1,4 +1,4 @@
-use waku_sys;
+mod general;
 
 #[cfg(test)]
 mod tests {