{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd0d9a71a088c72d0ad5337b1e1dbd056dfbb4943a3362c4bac8be833b56262ef",
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}