{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950071,-0.312034,0.000000,0.000000,0.174597,-0.531608,0.828800,0.000000,-0.258068,0.785757,0.562128,0.000000,-1647736.814009,5016972.478071,3565097.985720,1],    "boundingVolume": {    "region": [1.888061,0.596852,1.888199,0.597060,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1400955.b3dm"}}}