{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x75be0fb5136362a8d9967dabd15a1d7ca84010d47948c702ac33f9f95af02fed",
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}