{
  "manageEntity": {
    "action": "Update",
    "entityId": "105402635",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxba2hec226qqplnht6p3wajxja65drwoholfmebf2jdfycjtksza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":29217},{\"type\":\"playlist\",\"playlist_id\":1758543716}]}}}",
    "nonce": "0xd56f9be1ce758068a2ea32180cafb25ab8b465a130261043ec2148c02415fa24",
    "signature": "0xcd6e699ac38ee0b3d5b8d4d043c6bdded5c7117cd783436b9de7d8cab28382ed2535dc2769b62909804edf0e15d9ea575ad08f12d30c8c44d78440f9c93638bb1c",
    "signer": "0xbcF27CD259a120e92577BC7a7EB95670b3A0E2fA",
    "userId": "105402635"
  }
}