{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x476dad636fe9ab167f71f275e2fa89c664936f8d7faa8a24d6e9fdd6350eaa49",
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}