{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa575e6e4764a01d562b37572ed9566c6f04375588bd12ba0de419c6ebd08015b",
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}