Transaction not yet indexed

1DemmKZ29tCTJGL4dbPzHAYQqnzGteKcDZddgmcdVsJuQKSka2At6ukGLHzD4Df1eDf5uCGeC1ceU1MdTVA4YWR

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