{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa5410233a185e65d2d0ef9b82e3aa12e466c6c7e17449628fafd3cbda4078386",
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}