{
  "manageEntity": {
    "action": "Update",
    "entityId": "875211535",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapqgwfojlnyykfmjxlb6yyprvaisue6vloemse6353hgxvkkhobvq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":169180550},{\"type\":\"playlist\",\"playlist_id\":1339798646},{\"type\":\"playlist\",\"playlist_id\":1997723190},{\"type\":\"playlist\",\"playlist_id\":1970957806},{\"type\":\"playlist\",\"playlist_id\":775194935}]}}}",
    "nonce": "0xdb3141cfc14a847a7d5486e9276dcebf05aab7d2932e4a6e19aa1334434f0173",
    "signature": "0xbb82ee9b5a125f88a7d4ba695bec5c225ee4e13a5c2570a7acc7fd8c668b8f131fde5c6f261d549bcd42109b08f6d2f51d61cf037a63d296425b0f79af5e7ed01b",
    "signer": "0x0953d05791372807D1140E0dc445b5F7202BF3fa",
    "userId": "875211535"
  }
}