{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894671,-0.446726,0.000000,0.000000,0.284641,-0.570058,0.770722,0.000000,-0.343361,0.687658,0.639711,0.000000,-2193007.247127,4391993.916133,4058415.426662,1],    "boundingVolume": {    "region": [2.033832,0.694060,2.033966,0.694185,0.000000,42.419424]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_985086.b3dm"}}}