{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x434ac0cccf1c893d675a248c54db576a6599ce1540b1c22bfa031eb3537859da",
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}