{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x821f9a57e526df3c14f4b9c9212ff7816e696cae123e48ec28fe730535414f6c",
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}