Transaction not yet indexed

5n21uhkURTeXpnV5tnGLZ5tk1UHRgrTmVLAPvLuqDxtbYW5RFjKH1aGzzNbrRzbPSAmy1EqyMMerGNSeZ7P16HMw

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