Transaction not yet indexed

MDG3fMWgek87ocMYSpHBdXFEfSXf2HnZHRtzALQAST9WhqGAWDRhywKGs3ddvDYCxPUFsBTLQVH7tWh39o3N9SP

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