Transaction not yet indexed

421mjCMka2MaG5nbyqgHXv1NQXkDHGhPytQJCPt4SVNdEZhe3mPCuVUXvAQgpnpQxSSWdWDMZtNpip7SRxRZeVT

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