{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x03ebb9056b0b58a30f99b349e1bad5aec1d6d0730332f698084cb14272483c02",
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}