Transaction not yet indexed

MNbDCbbmPdYhZN3j7B2WUqyG6CYvbewNy53fXgb4hPy2wM4JxcAgpJhZArDNfD8k5roQYKeP3T3jBpVZDHBq4sb

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