Transaction not yet indexed

ddMDXSESQUCkgSzHmcY1GSUXsPsLQiCJijPmhZ4mTTvyDRSZR2YjxKmoPrs2L54mJ4esbztskQxWapouTANN1rz

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