Transaction not yet indexed

HG55a1pYhUwQM4o2nWwwwKB7EHwYxRiWCvLc3WwwX2uBwavFfctLE42ebpp4YFscoCDWpbtaMTC48MdhxAdCpmZ

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