Transaction not yet indexed

MD2RRKB8Si8b8TCRaFTaFbzZpqinSa9rC4bG4sfNDyFVYmvAAPBbbEc2kQJwWuFqMzP2nZBqego3eSQi22cvs1Z

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