{
  "manageEntity": {
    "action": "Update",
    "entityId": "36816786",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraolhty3ju7qjj3cn7zt5y6asqqzft5s22i66tklsv7xzhr7var4ka\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1659028442},{\"type\":\"playlist\",\"playlist_id\":219899477},{\"type\":\"playlist\",\"playlist_id\":639745345},{\"type\":\"playlist\",\"playlist_id\":1105176990},{\"type\":\"playlist\",\"playlist_id\":1747690355},{\"type\":\"playlist\",\"playlist_id\":478729889},{\"type\":\"playlist\",\"playlist_id\":73678419},{\"type\":\"playlist\",\"playlist_id\":1570597168},{\"type\":\"playlist\",\"playlist_id\":1335789872},{\"type\":\"playlist\",\"playlist_id\":332482734}]}}}",
    "nonce": "0x87a24a7ece78ef0c30256d90e8c55cc131c96e30130022846d58087e13173d76",
    "signature": "0x7e611935ab955f67d2bce2b58e29b545557cdf2c925fc2eeb96c99f1d0985e031afd7d558f57005ff0a1afab6e3a07a3fba3ce5bf95c80daa204ed8816d407281b",
    "signer": "0x3E66fE43DC32E3c2E8c829191062DEa805f5c29E",
    "userId": "36816786"
  }
}