Transaction not yet indexed

21HbcBWcn2rAHAoQhNc7PdCVjrProdAShb1BU8aFKAWw3dxowD719eUTr2mr3T8x7TMGjAgu5yQqdMGg4cqUByf8

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