{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857935,-0.513758,0.000000,0.000000,0.262839,-0.438921,0.859223,0.000000,-0.440653,0.735856,0.514140,0.000000,-2813037.210367,4697549.352473,3260191.746430,1],    "boundingVolume": {    "region": [2.110273,0.539943,2.110438,0.540068,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_340804.b3dm"}}}