{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943158,-0.332346,0.000000,0.000000,0.186155,-0.528286,0.828408,0.000000,-0.274736,0.779667,0.562707,0.000000,-1754162.802106,4978101.947244,3568782.679400,1],    "boundingVolume": {    "region": [1.909524,0.597617,1.909649,0.597697,0.000000,8.465652]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1255264.b3dm"}}}