The term custodial account is identified in base64 scheme by the sequence Y3VzdG9kaWFsIGFjY291bnQ=, while the MD5 signature is equal to 4be5f6d0154d91fd88ceb997182a114f. The ASCII encoding of custodial account in hexadecimal notation is 637573746f6469616c206163636f756e74.