{
  "manageEntity": {
    "action": "Update",
    "entityId": "802326336",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc484c76cdfc68009284fd880a982e8dd4741449a4a0a6bd897ae2ef76a897741",
    "signature": "0xe6e9e0e20113217a95437709146e4d56831b073b2877a4fef564e5e9f96f68ec40487a704bd17801585c40c7fe64e796ab4d6a486f58475eb9b6597cfbe7348b1b",
    "signer": "0xE7743A7400A92290CfE93A3de48a3D4A33D9E97b",
    "userId": "802326336"
  }
}