{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x01f2e56641145ad9b9776857b29067d3446974b8c9b7d72113c6fa2db066a5dd",
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}