ype":"object","description":"The blob already exists within Walrus, was certified, and is stored for at least the\nintended duration.","required":["alreadyCertified"],"properties":{"alreadyCertified":{"allOf":[{"$ref":"#/components/schemas/EventOrObjectId","description":"The event where the blob was certified, or the object ID of the registered blob.\n\nThe object ID of the registered blob is used in place of the event ID when the blob is\ndeletable, already certified, and owned by the client."},{"type":"ob