{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897633,-0.440744,0.000000,0.000000,0.282965,-0.576296,0.766690,0.000000,-0.336976,0.686296,0.644550,0.000000,-2152273.738802,4383388.901963,4089199.946763,1],    "boundingVolume": {    "region": [2.027160,0.700401,2.027287,0.700469,0.000000,13.888175]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_855200.b3dm"}}}