Transaction not yet indexed

UQt21fjmQQoaT9eL3crGSgX5NRcuQdLQqMs9Ct5zavkNzLdNaxFqDJRH6GAybAdXHa9va4qCU7mSGGPbkQ9d6vF

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