Transaction not yet indexed

5B21rKjCbPg3ZLEgAhb44eq6AXvFjVRFdA9Z81QHQdRvtgrsV2aS2Y2WWqgvqNiaYJ5tpKmBPRpgTUyLYBSSqrt

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