Transaction not yet indexed

Ls31tcKvpsfUdsnBzWFHJCkMGfbL6E9BFaSuXopdXDXnZBLSKLxV3kiD2gYRFbMxDsu5VRBEJ7E23AHjabijixi

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