{
  "manageEntity": {
    "action": "Update",
    "entityId": "223946715",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapo4jeumupeqxlwws7nc3sgibvu6ji3yiq3iy2thwjkut7cym3dra\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":267583385},{\"type\":\"playlist\",\"playlist_id\":1057719855},{\"type\":\"playlist\",\"playlist_id\":1700226950},{\"type\":\"playlist\",\"playlist_id\":406388164},{\"type\":\"playlist\",\"playlist_id\":1792112965},{\"type\":\"playlist\",\"playlist_id\":1431722683}]}}}",
    "nonce": "0xa5152db1c65e5049292a8ba9721ba9d450b2a081d6dd9e8f67b6a67073e0d1a8",
    "signature": "0xf3bef0ced4404f94e9f01bfe9a08d8c0ecd98efdf6691ec6912b7236a4ffd8950a95ba755d504df7cfda93691dea36ab2707456df2c27e5a05abfa56500d5b6e1c",
    "signer": "0xac9398fE3324BB093c993C791Db4a36624f5a248",
    "userId": "223946715"
  }
}