{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x30a5ccfee8a09000fb132671266e68d285335ceb824d8cc82271d2e78549151e",
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}