Transaction not yet indexed

UCkgpcz4TrVadns57v5CHXeTjZ1ffkQJqZJpavzhPPSMhqLm58sSQHySE1FQ4HXsKsKx9mo2rTtkj5fFCHsRxp9

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