Transaction not yet indexed

421a5FMXxrF6r2VkmGQzdLxuXoXyc4MLEebQh3F5kYS4c2nact2u35TGvVHeyd74zcyB2keqjZR5u5AkmiKFpjo4

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