Transaction not yet indexed

21SZb3oRXfYBFsMYLq8NX1r4CH9wP7C4TBW4aeLUnrMkpQWXYy2Z6cZs1zrn6EXXBTS37Y3CP4yoE5B7f6C1SnS4

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