Transaction not yet indexed

21Fu5AzLABQwE5NHQ2pi5zxtQyAYKJBEhxCFgNaFbty61NWgU2pPzRAXAcZDHwU37dM8XrPKP1gXjsjVN26LNrSV

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