{
  "manageEntity": {
    "action": "Update",
    "entityId": "218692613",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraq5jlcav6uoxr34fcts2z5dmtkgskur7pouulzrcqim4dhcjsrdyq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1744553256},{\"type\":\"playlist\",\"playlist_id\":329385357}]}}}",
    "nonce": "0xed2ecd88571d00fefdd48d676ac707aaca9e0e11f2397cd97b0743821d32fe8c",
    "signature": "0xcb4e1ee3782fa6a7245793e49828ef2089cf1f1d5ef2f9f9bcc42f21841ce4aa2b74c90aec597a731e5847291063cef9472d2b0db669d5559d2fad18b86bb05c1b",
    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}