Transaction not yet indexed

21mUR5onVtU5AgsxHsdcnYHEpMRJgvCfxVAgZB7njPpH1F2GNqE1546jqBT6rC9iNT8TPEQmGBUAJTbPmEczA7PU

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