Transaction not yet indexed

21R6yYhLhBdZA4U5NZKBVGRHHca1CWMUUDsdsrc6kWqubnyVEheeBwMMy6dJTYciywc8jjdVDV7fFD3XS5dPtSKU

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