Transaction not yet indexed

5b16wiykGV2azpxpQJwTHs1LqaVLLSNspW2xFuE84x2xHyPBaEjzLBqPfaABDAN3EhbCRwXRWEJMx3pGgq6iDCsU

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