{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x508a7123210b5b6d6cdc84e56eb763f90b896c244f44838951fb1da85a51db12",
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}