Transaction not yet indexed

21SozgVNxyDgt8wfGRpER6qAx51yBkF5eVZ4yRG5aHSnHp5B7f9T5GD797E3e3daTZfAdi2j3WFhHnrmAMXifPrK

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