Transaction not yet indexed

51966JrTn9d46XUq8c1YbsUSuSRJ5qhJtsBvo8aitmBByr2dSuY5RK5nMJZtyRfX8EVRBdDJ3XBj36jTWRWbnye2

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