Transaction not yet indexed

55EXf6dnDgfLFiR81d8SYZnFZmrGpRW3JrYSQSrfcykgJB9YVTsBxdvqYLx4Hbnm1w6YBs3jWpqEYYfMsALKUzCJ

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