{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x13eb4c16a409a9d223dc3be94c7e03008cfd661252c2df0f30d2697fa16620b5",
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}