Transaction not yet indexed

428CFMF2fip9nLAZvPgimWJiMJdXbMm8ZDh9FDXRGpVfXaJ85SsRaZ3aHNPrHn1iXpkQmMHY4QovVNAM5efBbFU9

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