{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897632,-0.440746,0.000000,0.000000,0.282964,-0.576289,0.766696,0.000000,-0.336980,0.686301,0.644543,0.000000,-2152301.734614,4383418.390869,4089153.911063,1],    "boundingVolume": {    "region": [2.027163,0.700391,2.027289,0.700460,0.000000,13.888175]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_855137.b3dm"}}}