{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897890,-0.440219,0.000000,0.000000,0.282588,-0.576379,0.766767,0.000000,-0.336609,0.686562,0.644458,0.000000,-2149928.231836,4385089.058534,4088614.864513,1],    "boundingVolume": {    "region": [2.026576,0.700280,2.026702,0.700349,0.000000,7.913749]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_851914.b3dm"}}}