Transaction not yet indexed

UMSS9M2Fvoa1MWJe3bEjAxRcEWBT6uLBcswHgmX2upvGDULz35eXpYByEpTjc2ugw3F78ZUaqR1aQap6aiXwYP8

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