Transaction not yet indexed

mykzk3AEAeEKC2tfMPnDdys16ryMwaeUpPsAkBjTYPenWSLQjiUYLMu4DC4RibAL6uH7u2z67KM5QjKJQoWokXk

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