Transaction not yet indexed

DdkVJmmm5mzdmvg8TL9Ty6u5ax6JgSoEr7SPqbj5VWNhdQByfUb2qPhaEfSHpm6wixJUfoLPRQtx1M7mxpcbDk1

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