{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898455,-0.439066,0.000000,0.000000,0.283852,-0.580842,0.762923,0.000000,-0.334031,0.683523,0.649015,0.000000,-2133505.757368,4365759.850883,4117603.650646,1],    "boundingVolume": {    "region": [2.025305,0.706251,2.025406,0.706326,0.000000,21.641586]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1817835.b3dm"}}}