{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943912,-0.330197,0.000000,0.000000,0.183772,-0.525339,0.830811,0.000000,-0.273758,0.782575,0.559135,0.000000,-1747897.321579,4996603.698678,3546081.067003,1],    "boundingVolume": {    "region": [1.907253,0.593252,1.907363,0.593433,0.000000,8.678779]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1319931.b3dm"}}}