Transaction not yet indexed

21Y88bSBmqCrp3xpBKtYw37Q1gopFQ9SbSGGNMgSRFBSAGPZq8pjhsGWgaWtMUKjF8UtCKyEkVsUBNT8EwMosAxQ

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