{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897702,-0.440603,0.000000,0.000000,0.282922,-0.576437,0.766600,0.000000,-0.336828,0.686267,0.644658,0.000000,-2151329.903677,4383208.768651,4089885.021592,1],    "boundingVolume": {    "region": [2.027003,0.700541,2.027130,0.700610,0.000000,16.562030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/7_857804.b3dm"}}}