Transaction not yet indexed

278mc2tdKsvo7nJYVUJh1bhFnqgdr9AcJbQynsGSCfp9KrvbTVmbU7bpaSMLR8LKzop33xGKCLXPfAfkjeXH7QJ4

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