Transaction not yet indexed

21ZzLUCCrcbHeZXhwSWbk1AQPhwRkcdaBaxQWFVzTWiWvoZ7c3R3yMpcLkJpyvebUyqmfMM2iQc4jzwbXNepCJjQ

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