Transaction not yet indexed

NmfgkgkfVgkw39abMGFBTR8AZQf7yEQc8mxV19gFEYCHE3A7JAy6JbvjhcKmMRZ87aKobP6tKYcQb22rPS29otD

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