{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7a3fe5a4ee2f261f47e460f22da66d00e7f1293a35059f0c29c108d9c15b183a",
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}