Transaction not yet indexed

21b6CiVKpwrJgfFPqj87KH73a4SgK8h6nGfB4iXebDfDXQciKGwnsUBAFiFPczkY8ts6fZR3TCHukiDdw3mZps8G

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