Transaction not yet indexed

2XKy521mJLcjsqPJcuTDEvuFhNav7Kx3xwHuCaaQ7a1QHUwRFdFFeGPYQqU6seBRGezmwUn3i1xidqreXPSM8oh6

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