Transaction not yet indexed

21LSWdDxkKGiUFYMUXu5YMfTtcdJPiHrutcXNE1YuN2roUuiwvsyxpRqLFVQprqBg51pV6EMRZ56yMJ2m4XS4fUE

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