Transaction not yet indexed

21MbVkHpNRVLc3QJKUEA7CKasV3F3kmYfSqB1WbqV5zv3m6fH2ZzC3yQ5RJteeZHHvBLBAncZ18VJ8a4BXHZB2uH

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