Transaction not yet indexed

21F19KC4MZJQmX7GPzZ3hnN935FmNookBSRhcb4G5w3dJFYmLQLBzvRGoa8WeD6RyiXvkivfvNWX6dxmNwMCJBHm

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