Transaction not yet indexed

yMM99SVMH48UsmmgTr8DEcg2e7BU6tgiZ74hc6EjKwpQ1Z53Guvc3dJB6mCw1N6LCLv9rSFcp9TGtFurKTnd3EQ

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