Transaction not yet indexed

5b3E21NndkoRBSvWjcw2Nz8fa9zMS6vyJyBaaZbv9igofXdwePFQrGsT5K4UEWtHbTNfbVLkWQJt6oEcNT9BosKT

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