Transaction not yet indexed

21j6LfLCL7qc3WpGbWQn6yYdidpYnt3DgmeRj5goWW6ercvcoLLmY2tGJsuHxZNLdnWoBwk1zF2gM8xvFPSN6pd6

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