{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3d222e6de5e4e0bc39a822957bdf9e26bf0cf9825944182eb2f77aa1ffb1e910",
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}