Transaction not yet indexed

MM3kb2QtLk2Kbj7uGjCQEjRrNtWS36wWyzJSASAGW2pnp1SiCTtc21fv1F5g7n7ff2Grv3E2dGNgjMzC5CbhoX2

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