Transaction not yet indexed

521dwLJnr7KcH7Lk36fzZydtxa6tcENP2syrJihrez2ZzXUEzVpUAmBkdK1He2FMF3xyJEvmn1QVCbd8hqttCU7Q

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