{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x079d9d5f8ab47e00dd8e231175294a0ac7d41b351f54261700bf46791cebdbd7",
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    "userId": "408215656"
  }
}