{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9f84152fbabcb9609e4649db3f0dd655d67bc1de222937669ec66d5e1379a7c7",
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    "userId": "950485788"
  }
}