{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe9486d5a60431f24d611fbf0dbd3f8e0b7e7034c099d2f21212202828d8da5c8",
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}