Transaction not yet indexed

21a1tCFABxYFV6MByzoWiA4pMuNZ5fdgq2zqDPTwz2BMsYLAbaaTr6fT8CEyeySCCgLLsufsP6vFaKpVzXbpfBx4

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