Transaction not yet indexed

21CyJkPS2dcueTAMGFHARQcaSLzmnY489uFYmg9VRm5Myu9sELwknkQ8d5JoAgimQ2cLbME4MPcMvpPGiWwW4Sk2

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