{
  "manageEntity": {
    "action": "Update",
    "entityId": "84235345",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd68c22bc743cb36819864350b9e3b13b98e3839d48a29c38b557a41bda78171f",
    "signature": "0xead745e7123ca6b2e2d5d63a4d33994f875105b66f9de68b54a1a113a1ee0d683532ca161359991d752647b2a5c613c9e4042eea971e90cb456db42f5bea8ae91b",
    "signer": "0x46c40C752898Fc7F4F7d6b348FC5438aE9f971aa",
    "userId": "84235345"
  }
}