Transaction not yet indexed

DdEM6x6uroxRr8gcSork4ArLeVLDeASx8AwRJ74DdhEe42DjZkaWGAL4fXZfYVHfdDQ98w1GwUC5LpG5RuPZQJJ

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