{
  "manageEntity": {
    "action": "Save",
    "entityId": "789098339",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1ba835f97948cb4f369aa9e7e144b462b608309c1b0480d0ad9d9bbee46c389f",
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}