Transaction not yet indexed

MyumNQ94dUEmXfsgqS2UUhkurZcRU3DjhEJFdy1yrxHVZunx498AN6oZHRxrDby5pTu2yGWT9awgiMB6Pndb1L9

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