{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898103,-0.439786,0.000000,0.000000,0.284301,-0.580581,0.762954,0.000000,-0.334592,0.683282,0.648979,0.000000,-2137089.307449,4364225.636646,4117373.238888,1],    "boundingVolume": {    "region": [2.026091,0.706130,2.026223,0.706353,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821210.b3dm"}}}