{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0777637e49d1e1b8366bca6dae01e4e4c79cf080aef31c16030b39d2433de8df",
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}