{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x55a50a4fa089c9d75b3e331bef178e3e8837e7053d2bde54f9cfee4910c00de6",
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}