{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1441189d1c2978add927c7e29860169b2ff3c6501fb36261263a8d5104211c7c",
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}