{
  "manageEntity": {
    "action": "Update",
    "entityId": "414436117",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahjv5gvnc3ighbhldufxtf3qi2zkt5whzynql5abwweu4l7t77teq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1931178620},{\"type\":\"playlist\",\"playlist_id\":1841984718},{\"type\":\"playlist\",\"playlist_id\":1086805152}]}}}",
    "nonce": "0xbabbf169912d699415557360de0568e2e873055c8e16c1e9167b52a1e0925124",
    "signature": "0xa4ceba0f53fa48c7769e77df0bfc79399da61b18df499acd3f84b01b6072e18a5d25c279f873646cd45e4e6362af868157043a1cb4065614c4d2fb5cab49bb8e1c",
    "signer": "0x5d758B4F5fA8B3b258857463265a53e6682E6582",
    "userId": "414436117"
  }
}