Transaction not yet indexed

21ECuMBtEhrwVd2PWQkb2xWAzratN66KqgNHFf53md5MdJQnMF1CTFUdJhsxRcBAVtwFiz5tVpvpLAQuCzZLwtC3

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