{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8e7a10f303d78981c94a8d41046c448dda20d13e5c5ee060bb542cab7ebafe17",
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}