Transaction not yet indexed

21FCmqrP9Kt3VKrXhDqz7zcMzeiZw7KHhiaQwbvGmrVFMSFmSm7YAvcbHRMFSFZ7LnVerMnFjYmfggNBxXPyMXBj

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