Transaction not yet indexed

21SxjRbYMMWJuE2SqtWdeS3i4UuvFoddoNLqQBt3v1KmrcTBsPSELnBKVTCBHp3eRy7y9eFinmC4eSVRL5Q25XAt

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