{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4a211aa2194b1a5a73f844a58b95683f7bece74f8d7d7b54aaa3a6a4bc1505cf",
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}