Transaction not yet indexed

MttCUbSmdCJxRT3EttoLAHhjGdtTWa8HX8oQuuhphvE8jcScTFuSh5K15Q8QV4225oe1Sxzppj7Y7D3xGV3CcaE

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