Transaction not yet indexed

5Nmbk21PWQg9BsvWfEgHTZWYjmmuH8WsY3E7Axw36cRhHBQ9u7EyXV2mu8phxF9NmTao1NdJNwpH8DyHqEPAF3cM

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