{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc97e18ea0b76d21b1fad27b2fe5355f1383b1218ff0f54e96da747f220d4cb00",
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}