Transaction not yet indexed

Dmm6idLVQQdq2TSpakHDKC3MR4xebeoRk3uhXnvckKit2N9m6y2BvnqFycwsvpAT2sQmuBcYArz2sWpdZmRwjCp

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