{
  "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": "0x2a2e3963e9fba44a67fffa4448720b3923c625f1fa3f58af8641ff9863cc3d28",
    "signature": "0x020b1939c2a777e5185a32b49f6e9230a6483e653e7bd6ab2aac2395014a14e21c88d0999e383209a9c2a4b255ecab4af592fdf1026cfc3679c01e8cd2fce2521c",
    "signer": "0xA76bb874Ea465ed9b8201008c0Dab4F17b244752",
    "userId": "650710289"
  }
}