Transaction not yet indexed

Vu51aAbU8pE5StXfZKybuHvLDJW8AGn5z1AwrdMASmmjS94zsSDmh4jes2MBuZmLJsbPyivj7dYs34KqSFVe9Fn

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