{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x54a6b178554f2c0c04b6b4f19abd414213f8de888b7a348d194ec59c5b5b6165",
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}