{
  "manageEntity": {
    "action": "Update",
    "entityId": "3636854",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7lq2hmti6j2rqeqpgvxtj5uwgwbs2cfgptu6sgwrt3uofrtcf2xq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1369700879},{\"type\":\"playlist\",\"playlist_id\":1136421125},{\"type\":\"playlist\",\"playlist_id\":1100363087},{\"type\":\"playlist\",\"playlist_id\":1372187840},{\"type\":\"playlist\",\"playlist_id\":93695914}]}}}",
    "nonce": "0xe6142f9aaf6085f998ae3e8a7f0e01abf946a33f089883e15a99433aaea52dc0",
    "signature": "0x19055d497004a0e762012ae876e144e18250ccaaec5f4afcbe8c3e866764928b3bf9899905e6cb58bbd6a5a7f363763ca2092cc8f78d3177a4f27b10112b3b661b",
    "signer": "0x2e9d3CE541fF1290944eF388dE9759d77881dA4a",
    "userId": "3636854"
  }
}