{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2bebbcf4179bca7538359d3b80cd7fe3a30e94c7ba3f876891844245c592a43e",
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}