{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x582e019196844e1f2a60881380e690fd46315233a0fe3024d4ab67385e7a5c9c",
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}