Transaction not yet indexed

528PMq7pFNzKPd38HPcwvDeaHBcqVM5kCsx172pbtZJcExTzjSBj9FAewn3dxfkxHR3GgEFNtuFSk8Q5xcVXPepU

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