Transaction not yet indexed

RNKcPEzApv5ztFvAn3bVfSi4At261RDfe7RP9JUg7RuvXw5N9ubwL4Y1Tjyn3MqPBWeqr2S8mfn6pszmbFER1Am

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