{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0e49e053d88e4090bdb9bfc88a13d43d3c36c93d09c847cd0051c9b1a7485f00",
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}