Transaction not yet indexed

21Sm6uY5SjFiGMi8amvco9vKVL3kZWoba9qUHLmCjPHhtLJJMkcjnB4Ddm9EDy2DVAv5wCs6JmA4kjWQAvthZg7A

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