{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb1689f9c1a115993e5c089e95994d167e8459e0e8a4295d47555e97865c1d1e8",
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}