Transaction not yet indexed

MDKYCsKdPzj9zhziVYFGSimR4FSepZiFHV9yLBmE8uCzdFJSByw7y7DswtZS2mfgxVsXVuAVb4ZJ3KfQCj2HjcZ

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