Transaction not yet indexed

5b21VKuRr48B6WZiyKNd442cjVwSqkKRP2RNa9p596pNyhhUUFWU1a1s7CmL73PyjrBipRupKEU7B2Pm5pcKB8fS

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