Transaction not yet indexed

5666xTrvwQ9FhRmLcfYhnn9BvvCZrYYC2NqUjoHEa9MV9vNpKAtdf3msEAqhs6Sfha47TVyaD67RuhZ9MSj38kQ8

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