Transaction not yet indexed

21c2oUbJ5ATtzEXuo5ex3KSpgdycwkjLxAYujGzEM1USRxZdC3vz5DWC62d2PXNU9uvC6zwB7rvsJShpmu1ZCgbS

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