{
  "manageEntity": {
    "action": "Update",
    "entityId": "197748990",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahevfxe22xeiyd4ftw2igoilol73knx4xwqpcwhikazymwoa3ib6a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2046628087},{\"type\":\"playlist\",\"playlist_id\":222199878},{\"type\":\"playlist\",\"playlist_id\":1810795732},{\"type\":\"playlist\",\"playlist_id\":223464512},{\"type\":\"playlist\",\"playlist_id\":2146659354},{\"type\":\"playlist\",\"playlist_id\":857625151},{\"type\":\"playlist\",\"playlist_id\":1693340863}]}}}",
    "nonce": "0x53c8ca3c73af258c87746f5f1175ed66cd76aa161a2207b7ea686f90b08cb09d",
    "signature": "0x4eca41f1ec7a347904434271dfe6d317042e3c7c1a12da9fd2d0c3a407540b0826249fb799577a6991ccdeec72172df7355054a7abe23d2b69e4de03c63001a31c",
    "signer": "0x58934aF590033f64aE748798BA7629C8D43EBad9",
    "userId": "197748990"
  }
}