{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x472c666f6c9a99414f5c40240f32f5016c8f80e0b518a104c2b39609466943d9",
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}