{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x92aa60d1b858295f7738ab14a9cf836e90759246bbae699ea6ef8f9868d7e423",
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}