{
  "manageEntity": {
    "action": "Update",
    "entityId": "962229317",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratrbene3m4yaflfyzegow6gc7brjew73xj5jftp55eiqzcvoomrdq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1774746206},{\"type\":\"playlist\",\"playlist_id\":405456527},{\"type\":\"playlist\",\"playlist_id\":536580629},{\"type\":\"playlist\",\"playlist_id\":598739702},{\"type\":\"playlist\",\"playlist_id\":125997140},{\"type\":\"playlist\",\"playlist_id\":1139724356}]}}}",
    "nonce": "0x75aca14101408347a8f314af92f3d550aa50246e4bfb6ae060513e5f058ff7e6",
    "signature": "0x07d3be85f22e891eb1271c575e6345c76c3075e44868c871bc386c39484ce2d422c66379ecb58d7a71de4f023dc79f847009e4be027bf59d6f5af6d8fa307d5e1b",
    "signer": "0x83dc712B58ccA417250999e5f3afEBd48dBf9749",
    "userId": "962229317"
  }
}