{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1898c03f3b5c9a9c4dfae0425cedbc7dcffcc7cd8354f82bf205459e4afc1b72",
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}