Transaction not yet indexed

MkAC3Cp7Gs81upq7N8iAoJDZLhaw8eMpZ2HcfCjjB98j5uoQksGVfmECtFRoPDEySTg3ew1YExafmjDtqVLj4py

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