{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0ec0fa9632081bee188660e91d31e76e65b16ac375e981502673f142f0b79fa7",
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}