{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897651,-0.440708,0.000000,0.000000,0.283134,-0.576699,0.766324,0.000000,-0.336786,0.685979,0.644986,0.000000,-2151066.870750,4381376.127811,4091972.433298,1],    "boundingVolume": {    "region": [2.027120,0.700971,2.027247,0.701040,0.000000,9.877715]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861617.b3dm"}}}