Transaction not yet indexed

MREFnvcJiMP7cCFHAzEeXfYrEsJ6X9LVoTmNQMgPkHH6xVucDGTJHdtZwTbP6jkuQJpiSLkEC7pyiHEZ6ntaqt4

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