{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7dfe8e9a279886af82aa6c15707ed9a699ba8f263ed02a2a007310ef1bb86ac7",
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}