Transaction not yet indexed

621dpLwPbkVs9gKhfcwcdU2qzQvBnKtwKqeBsF4MuNgqX4ibbapJNuWW7QpDkBTiWYbb5QUVzjzw8PSYocAtzDq8

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