Transaction not yet indexed

UdkMHNkJDsmwWwjj9PsmzUNCvyi79x4gAWrNqKSA7oRe4fMZp19rfaBr1LQ87XCCtTgpD2tce2K6Ny6nkMsDkn6

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