{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6d5c8c19abd5cae526a40c817a18cc99c61ca1dbea1a4fd4ffcc255fbfaaa56f",
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    "userId": "102548476"
  }
}