Transaction not yet indexed

51Ub5Dd3cdbNwWyFXMajG95ZYvG7kYQoiM45Sqdw9ka4xJh4w1vGeJTC7aSQ9b1c745zKdFkht6QutxbR4Y6k52V

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