{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897567,-0.440879,0.000000,0.000000,0.283100,-0.576350,0.766600,0.000000,-0.337039,0.686164,0.644658,0.000000,-2152678.633305,4382546.809840,4089884.733223,1],    "boundingVolume": {    "region": [2.027311,0.700541,2.027437,0.700610,0.000000,8.563422]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_857782.b3dm"}}}