{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe46521bedefa22885a989b5a6b85e4c74c59ad7c63c6029dbc666391d0b0226d",
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}