Transaction not yet indexed

MuWMKAcBSE1Ba8L3kQgoYqqVTiU51bCu5EXPhySG5wPLLntpH87ozYnRiXYPBBv11CTwE3MmdQfCDVd6JsMiuES

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