Transaction not yet indexed

nn21rdTcL8tFdnY1XorxEXvwQKBkx8QBtSmvZvkWDuPFmyTQeaVvWrJMQ1RyT2efJeCGtL1xPXGPSKwsKhsxb15

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