Transaction not yet indexed

255FuAxFH78kvXdEqoZfQ4oBcSaRWNj4Lis8RSMeZs1TWSvwvByp8BcaAkTH7ZzhpbDmoSrRXvWA4wZssALS4qr6

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