Transaction not yet indexed

UmD99LDMiBGG2t5Rf1qmG3X293B9TsbpoAPmZdEB5EXXoGDwSGmUEt9g73PxSbmRBtQvBijsAWJ6ZxCWehkri1p

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