{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa294896dc8d9518a28d76f1c03178ae60042fb5fe80350f7d9989b2a7bb30b07",
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}