{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898350,-0.439281,0.000000,0.000000,0.284122,-0.581042,0.762670,0.000000,-0.334083,0.683214,0.649313,0.000000,-2133837.417981,4363796.610764,4119499.663129,1],    "boundingVolume": {    "region": [2.025544,0.706643,2.025645,0.706718,0.000000,17.223610]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1819692.b3dm"}}}