Transaction not yet indexed

21SMwwQKiAxYhmBfLwtzLpqjRZSKzUKwhXh8LEqqXeAvYutkj3LqePqdWLcRbEd8QE2s7D1k5dTbRqsfDBeWFPQL

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