{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948744,-0.316046,0.000000,0.000000,0.176377,-0.529468,0.829792,0.000000,-0.261702,0.785607,0.560655,0.000000,-1670930.767285,5015989.104349,3555737.056734,1],    "boundingVolume": {    "region": [1.892308,0.595065,1.892404,0.595288,0.000000,8.818771]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1179229.b3dm"}}}