Transaction not yet indexed

MSmnnSPFRetQNn6eD19suZ9iAjaQMb1AVJzrfYn7puYm16CvDyU1z7VbPLWGDf9CwNaSMCwUauRmgdABN34imb9

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