Transaction not yet indexed

Y88MY7V1vUVxREQNnnPwrtD2rTR9PBqQmzc4eDq6JPCbUTfDgQzmFYztQe8XLoF1X8XmMaxf4yF4q7bHsobPqR5

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