{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x71aab95bc034672e40833c4674e1a3509bc9e375e98917157ef8aacb59039723",
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  }
}