Transaction not yet indexed

LT21AMT3wExERLUYZy8ZAwTfjRxQBfvRRdcppXBWkwcJhJApEwetrFkneqmBo2edsJPKi9wQnsjCHfsKKg8P8i1

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