Transaction not yet indexed

21X6Qt6JvRQWiEB9bhv18CphJZ8F4sNNYV2m13oDPEC7wz4gvUbC86JdWY4Q6tdBpsXMbVbNCeXeq5iHPr6Kv777

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