{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898791,-0.438377,0.000000,0.000000,0.283112,-0.580455,0.763492,0.000000,-0.333757,0.684292,0.648344,0.000000,-2131751.446899,4370663.785818,4113336.391687,1],    "boundingVolume": {    "region": [2.024506,0.705348,2.024671,0.705467,0.000000,21.631186]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1831673.b3dm"}}}