{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc43d1339b9ea1a217b5a8ecf2d3b623e066c98a400c3ebfee323ffff5a3c4b88",
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}