{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x65cbc35155ebc3172dfe5f67bf6221bcabd8fcd2c09ed4b4cf8612ade5513e8d",
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}