{
  "manageEntity": {
    "action": "Update",
    "entityId": "305881856",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravn5wasvkywdjrerzrxe6b2syx6tjkwd2rzu6lrc4hwwaphjjhp4a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":90390257},{\"type\":\"playlist\",\"playlist_id\":347962993},{\"type\":\"playlist\",\"playlist_id\":1458558994},{\"type\":\"playlist\",\"playlist_id\":436112162},{\"type\":\"playlist\",\"playlist_id\":1683859960},{\"type\":\"playlist\",\"playlist_id\":1625295704}]}}}",
    "nonce": "0x45042e06e5ccc774d2c315a556fe9bf79c05f34336d6c2a6a85d37ee49237452",
    "signature": "0xa1dca54ea4578284301d49f8290c057c8e9bdab016b1f3d678415366f9339f7d43d739800970758959c70dead60145ee20ba574143fdd6ec6235e171927673281b",
    "signer": "0x1dF213775dBDC159FD35d66A30e0b56C55118a34",
    "userId": "305881856"
  }
}