{
  "manageEntity": {
    "action": "Update",
    "entityId": "36816786",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraswuwquxs2lc47ug6hx4v7pjwbsnjqxfv36wmhwp5dkwcdajy6hla\",\"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},{\"type\":\"playlist\",\"playlist_id\":90036732}]}}}",
    "nonce": "0x2536be876a529331ef938541aacd3fa6a1d12e3b727f33ceff0e03d6a470dd3e",
    "signature": "0x16b9702d150d129c1db243d6047e734cd3d48b5d15ec21a9e787b3b0647c4e2611ac44fb58e26d058b816dcfcd66cffe989d0cec4e0ce30827df38e18a43faf21c",
    "signer": "0x3E66fE43DC32E3c2E8c829191062DEa805f5c29E",
    "userId": "36816786"
  }
}