Transaction not yet indexed

Nx31jsHVv12kGHTgALM4W67ddgKHcqBJZNj14hN43Zg4oPRMp8uCwJQdaGCN5gKZwy3Xgm2TrQCdoeV54HiZktc

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