{
  "manageEntity": {
    "action": "Update",
    "entityId": "969179620",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierabcnbtcjsv5sm7qbz3dsi6e4kyrptfxtsrjqa75ewrt2qste5u5ia\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1979234519},{\"type\":\"playlist\",\"playlist_id\":430142763}]}}}",
    "nonce": "0xa2c6cfc28ace055b72aa435e3b350125f1238a994826afb3da321e2747ac783b",
    "signature": "0xb920bfb485bf58afeeefd29220e8fcdc95c33e9565cf38fb359ae29a1d26d0803a71feda11cd9fab39655ff0e33f0b88eca337bfbb5e04c48a7596248b89fc541c",
    "signer": "0xD3aaf26adEFB3a5342559Af184A2B1A60d85d48c",
    "userId": "969179620"
  }
}