public Blob load(String filePath) {
        String storageLocation = getStorageLocation(filePath);
        return blobStore.getBlob(bucketName, storageLocation);
    }
Load file content from blob store

@param filePath absolute file path, for example: Users/user1/files/inputs/data.csv
@return Blob instance if file was found, null - otherwise
storage/src/main/java/com/epam/aidial/core/storage/blobstore/BlobStorage.java