Transaction not yet indexed

mpmnTCS9YuNwGB4Ki9FAxZAsvSUiHS2dco9NPrc5Fnx1fFxVJpxNBXw7e86RmqQKCk5dEv6zHEPJ9N42nWUC7XS

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