{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7bfcbd23e89e52b41d80eb9a9dec9719869e6895c954712d58f16877751eee8f",
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  }
}