Transaction not yet indexed

51RkWVaXbh2SPRLTzCx9SR1f2dCGhcdzF3WiSZ7YUkVXLaWJnFYyHYxHscfMyKTsE4ccz1GyTKBQHktcvZ13ot17

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