{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7fe616f1890648ec0c72c1edf526a86de6c9688a9c5624d8129745f6de0c3ed0",
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}