{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x54bc6d1f057f64885c7ba303275b536bd9ab8d856bb2bfa5b37fde5e7c6c0d6c",
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}