{
  "manageEntity": {
    "action": "Update",
    "entityId": "200959284",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6rxt6inbjxqubu2nqwmm7avqy3bos3nmofs5d3fhmh4xbxgres7q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":673301688},{\"type\":\"playlist\",\"playlist_id\":1326621399},{\"type\":\"playlist\",\"playlist_id\":1254672404},{\"type\":\"playlist\",\"playlist_id\":1710650401},{\"type\":\"playlist\",\"playlist_id\":1608281841},{\"type\":\"playlist\",\"playlist_id\":142442518},{\"type\":\"playlist\",\"playlist_id\":188570534},{\"type\":\"playlist\",\"playlist_id\":878336140},{\"type\":\"playlist\",\"playlist_id\":1156559037}]}}}",
    "nonce": "0xb31bab52f74ed6b5d499e973025a663785e28952152a88dd51fad8333f064c77",
    "signature": "0x03cb86b17f1c51fc6194e897e90abfaf5514185a9d2717da9da02de73519adc95c88e2fca2a7abfd0a2bb9fe7e71949041dd4dc730a41fecc917dd14734292ca1b",
    "signer": "0x378543D1f467aD15E6688fa37eFF55939dFEDFc2",
    "userId": "200959284"
  }
}