Transaction not yet indexed

AMEMDkmZt3YAAXfHsAtNeDyp1o2pH7x32Ww3sgqAk3XK3HuyPPGTFngkbUno3dg8N2wfheFCNrSUsQvKzNHQeuN

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