Transaction not yet indexed

21K6B4cmoVuceqh4hauNGkoG4ZjoDeMqkLXMVZoU5T8usgxq2Y8c856kjwFDWtejjc3NRui1m9tHkSjv9tN5vkCS

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