Transaction not yet indexed

21ffnwzQMPro8ktrK9vmTFKCVdgdbZtw7JAmeqwRN7fQGPvL7hKVkD6XwHpkDL2LJcVLzy1e4Y7DurbwxQ2KPE8o

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