{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x73b6c276be47e1d01831f618d9768119d4e18f4b391ea33d0ecc76d5ddf8f794",
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    "userId": "672019090"
  }
}