Transaction not yet indexed

4a21heMDBHLpX69m44yYKbdAM8FDhDcVGpK9YeWqaVcbusiFmvX8TvLVaLP1NXfpbLRTBfSET4HPSXpivXE6yw27

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