{
  "manageEntity": {
    "action": "Update",
    "entityId": "6901",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraorgaw6jytz3bo3supvdb2nuzeup7rad5dz3xscbx7k5ipokjlzxa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":13750},{\"type\":\"playlist\",\"playlist_id\":16122},{\"type\":\"playlist\",\"playlist_id\":22568},{\"type\":\"playlist\",\"playlist_id\":30446},{\"type\":\"playlist\",\"playlist_id\":39479},{\"type\":\"playlist\",\"playlist_id\":1306839846}]}}}",
    "nonce": "0xe207ed1f213cbc87d5d99741897b4fc58309748fc47e41d84279a58fffad15a7",
    "signature": "0x871a16bca924def0e50cd3d21028d00684cb91b4b674a4976432abb0de5deba7692c40eea87ef83808ce9335fba5ed5d2036f5d44bff96f5a54d60923d1e45271b",
    "signer": "0x93C70b9Dcc38C1bA36ea7032f0d25510E2b39DD6",
    "userId": "6901"
  }
}