{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5902f6ef04658de360cbf1a52029a54b0b7b71faeb35b9b6878a8183e2a0c494",
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}