Transaction not yet indexed

21mUfnUbz1eSBFNysyNHcub837GcBUCV8vZkkunmm7wA5xpZGcDjuLRvxp3ymcMQRTWrs4CSqrtFZrZTPLAq7UXb

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