{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897630,-0.440749,0.000000,0.000000,0.283162,-0.576690,0.766321,0.000000,-0.336816,0.685961,0.644990,0.000000,-2151258.691215,4381260.449576,4091995.296438,1],    "boundingVolume": {    "region": [2.027166,0.700975,2.027292,0.701044,0.000000,10.264463]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861650.b3dm"}}}