{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x604950b286e02661ccc9752100a6b9f828cac55b227fe872c8cdee3aad7ad4f9",
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}