Transaction not yet indexed

MRbfEMydDARiVNzkQHzfKFosZEbWGPVEK7F6RRvk2dNEE5zH8sBCDonAcwg28m1eHUUVR8pn7cs5qRyEDHtxZQE

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