{
  "manageEntity": {
    "action": "Update",
    "entityId": "650710289",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazi7t6gs7yq34kt4htovesw63shxopntf77wlwnokp3hojxjc7jda\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1636386538},{\"type\":\"playlist\",\"playlist_id\":1514192617}]}}}",
    "nonce": "0x5aa6ee9431af93ff0626a3120afb36f74a7b13b6e04d63655fc5c23deeea6177",
    "signature": "0xe39b9bba681349b0141d7efc5334183061f30eb7ef7d7d7e9bc4b5bf086939e250f9f640f8d6a2305b4a1fc0744626bf1b74f0d6918b6773242e0d2887a460651c",
    "signer": "0xA76bb874Ea465ed9b8201008c0Dab4F17b244752",
    "userId": "650710289"
  }
}