Transaction not yet indexed

2u51vA3RyqjyAo9cD342digdfJaKLgF3Z356Tn8RVCyYDP6Si44UiDw77fPjpbLSfRPCNPq2fM2MP5xao5mac43U

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