{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4220df1daf303b1e06f0c4e4b08e964292b0b5783dfdf8fca462accd31aa22d0",
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}