{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcb81f5ae1e4c8cd7b384d802627ea973fdaa28014c40d849af3c3781e741de9d",
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}