Transaction not yet indexed

HE37jDaQwNJvbifFFKUgkbaYTCKYPAXwPHY4ZajATXtDbVdGKWMvUEjY8ep3xkAwW77AS9VQmi64LCHqKMYSKp5

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