{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894690,-0.446687,0.000000,0.000000,0.284868,-0.570575,0.770256,0.000000,-0.343121,0.687253,0.640274,0.000000,-2191480.789676,4389422.142265,4061996.594999,1],    "boundingVolume": {    "region": [2.033788,0.694793,2.033922,0.694918,0.000000,34.643717]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/15_1139376.b3dm"}}}