{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x560affa9ac60a7c98b88fae96980111efe04025e997082d32b95a020e46d11f8",
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}