Transaction not yet indexed

HX18R8aabRppWQd3eFjcj9Y4dfqNQwBS3BRs1FowaNECNYqib3NFbTv6G43Q4RoWAvy5Aa3rzVv9udLnB8M1Pde

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