{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894646,-0.446776,0.000000,0.000000,0.284662,-0.570022,0.770742,0.000000,-0.343407,0.687656,0.639688,0.000000,-2193304.784732,4391981.440087,4058269.123041,1],    "boundingVolume": {    "region": [2.033888,0.694030,2.034021,0.694155,0.000000,39.777159]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_985391.b3dm"}}}