Transaction not yet indexed

5S6ktCcHRqaMcZBd9QToM2mAD4XsU2zv9xdAmJrGX4isFJur7d2CUNCfTa1zPBew6rrPwKPhgzQaPvXAnEVK5Mn6

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