{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x517a35491883609b97e67a63b7a9ebd46997e304811a17e304362ceb5e26e3b9",
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}