{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0fdb88bafb78e29c5b2717aba9e50b3f2198c847bdd26b8ebfa39aaae7b887f8",
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}