Transaction not yet indexed

55mp8a2yoSumr1SuY4a87M9kHqzpqoEr2r6wcPWk5Qr4rN6NYFsBfAe2Nbzd4HfQA1RdZN6bxtPCpg6PHjP7PSsY

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