{
  "manageEntity": {
    "action": "Update",
    "entityId": "162770660",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierakocoghnfmoynow5hbvnuulqitcikpg2tlinefvhxqppkp7ptijca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1380462390},{\"type\":\"playlist\",\"playlist_id\":83227478},{\"type\":\"playlist\",\"playlist_id\":1326008820},{\"type\":\"playlist\",\"playlist_id\":13443321},{\"type\":\"playlist\",\"playlist_id\":520774072}]}}}",
    "nonce": "0x70271025686b4ceb1f5394317bc5a9441af084c85f4b42ad7cca57e6e3af88ff",
    "signature": "0xd5e82a56684287d1deeff4765fc49dd1ca4332347d6dbedc4f0e5925352a681f4519c7866af00cba6b291ceb7eb84759034140eb1ceb656198e9c8caa29c7e0d1c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}