Transaction not yet indexed

MmkYAYJAsQUiB1GLS5RrxhqUnrd5MgFcq2zEAFeueea1vtGjjYf2RieZTet9TFHvs1nX3idDnD2RvmAo9cvXC3n

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