Transaction not yet indexed

mrg877Pw2A1v3juGCv9X2xJ25gi3psG8RyZ21rcHKoCubc3npiKpXNpbkB32QP3Ru2nU1hiSaH4acEcaHkADWr4

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