Transaction not yet indexed

21EfBu9yoNdZkDsEgLzGz8gFn73mFcUnMSfbV3h4tCodpJJB67sGUAcxJj3g91vDGtCtPpST8CsDTMBnt9vLsZT5

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