Transaction not yet indexed

AMp6uWsmcnhrnyLSswQMg51aUifCPdjfVakXKoGJHMM2Tbs6xeHT9UpTjidVkvpF2K4jPdGd2f5NQNg6oS1VxQM

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