{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe3a71b4856b5f6ea22a51b8daed23dff0e2f63cef245a4dabf691be3b3f81a72",
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    "userId": "22734091"
  }
}