{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950460,-0.310847,0.000000,0.000000,0.173537,-0.530614,0.829659,0.000000,-0.257356,0.786901,0.560852,0.000000,-1643179.657674,5024252.816313,3556994.003052,1],    "boundingVolume": {    "region": [1.886831,0.595357,1.886931,0.595474,0.000000,8.795505]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/10_1451026.b3dm"}}}