Transaction not yet indexed

Mc6ZBFVpzp7FfebW6pg3v1N3d4WDXfBFnCGTamGh5N9veixi81PCkpKvhvPeFAAearWtmDNjyoWFbJgw7XbRkq3

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