Transaction not yet indexed

RBhbb55wVqaXwK1pfKs9Z2ZsTi44ytXzEFdRJtCvFu9YZ54Wt2nL1FynZQ5dv5qDhnRDhhhYSDNaxhgaGf7EMSe

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