{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950069,-0.312039,0.000000,0.000000,0.174008,-0.529805,0.830077,0.000000,-0.258474,0.786978,0.560230,0.000000,-1650314.236344,5024733.237522,3553036.802747,1],    "boundingVolume": {    "region": [1.888053,0.594598,1.888217,0.594729,0.000000,11.432766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1459145.b3dm"}}}