{
  "manageEntity": {
    "action": "Update",
    "entityId": "765334759",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x95b2e80f5e8a4c4b286257577bdc300a1ebe5f9c0c72b0c2335ad2f32f6ec986",
    "signature": "0xed56fa2515054629e433b407d8ea5ef6877f29b77f1f6d10ec9d1defff4be138615af6e62d0a85dffa41f007751568997ce8b7a39ac1fa53ee96238254b497671c",
    "signer": "0xBeeC69d585C18C8A2Ea6993Bc461b88A44141BDF",
    "userId": "765334759"
  }
}