{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4065384cfd7ab482152158f658864d76d4d6a29ccdc815cf4704c4156c104a9d",
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}