{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4619ef1a9942a8f024510606e2f6b867b96f5c26217ea833ac62766fddc0a047",
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}