{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb40d3f3b3f7371466dbc3bf836384bc96f8c2e94d4a36e70d076e803096da665",
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}