{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3925cb806732a9617fa12e8fb0fbcf3b1e6b3a11a979b066c5dfe01f67e2afc3",
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    "userId": "745218801"
  }
}