Transaction not yet indexed

21U6RMqyAzE6nvTRjiMqhZxNsJrDLjfSv9NSitBbzt6XudrE6pxqXSJD35qKmZ1u84cbRCybsBtGqAmKhK1e4tCT

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