{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9203f09befb8493393e93f618243d06ba14cf6d62e619b272e9e71d705f7e1ad",
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}