Transaction not yet indexed

21epKYLkum7N95d6MubhVEmG3upMZxegXcn778JoDTFWbXSLdMUi4d2iDX1Vtzqn8sp8PUGjVjtf7RPn711ZKwf6

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