{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1a6733d7047fd179e6deadc97d0b95a1115a42612041b9e9d4ea7a83c79de9a2",
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}