Transaction not yet indexed

MSTC6FywQKf3A9Fkh9jUskhU7WjcaUBRPzaWT5aKc1BPA9sp7zdfeULfJpSMNVYhSRmVBuSFV1mPrYCdEGXjnMS

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.