Transaction not yet indexed

21A55fo4nyxNjVxBTudprE5B64KZ1wgxryMDdbCtZygGL6p8tnMg2FHPbXiUGwnHuqhXZTfGJS2rzynJsuFB1Mpt

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