Transaction not yet indexed

21UbGVo4BubkbzD7R1dCupxmL74j3wAaTHnwccGx1g86g6J6DWWFpLBPxRCxhX9DF1Dbo1RP9wtAUpxPwTzu633W

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