Transaction not yet indexed

21E8vYPdC1oh4tCaF1bnY2Ar7nusk6MmPuoXqTJBbWz7qN1y8mkBCLdKc8RByH1FjbxdhhyUGQPUfDMFMBu4G5Du

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