{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb3244b0737b94e368954f14522e1e4b37ced777cc6636c64a9651cce4a47df6c",
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}