{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x36b0ae83900c3015073661e7c6b3a1c5fc3db9e01e894466e6ac666865f4a6c4",
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}