Transaction not yet indexed

5Mek8BEHbRJ2fEAPSqQKXgQhKzjDgvtSAMKC3GDHQRYA5NVy4epBo4aQAWq4JUsu26eFH8uEc7SBUtQ8P4PwQbpe

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