Transaction not yet indexed

Um8MNYCibpNfusruCgesLhCD7Qxfe3PmRKjp7JpzPc7ZA9bpsGC5doHYLNSdDp6vsNymgDytY54MmFNxnrKPBS6

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