{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950630,-0.310326,0.000000,0.000000,0.173632,-0.531891,0.828821,0.000000,-0.256662,0.786240,0.562096,0.000000,-1638761.023568,5020055.643046,3564896.413108,1],    "boundingVolume": {    "region": [1.886250,0.596833,1.886415,0.597002,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396685.b3dm"}}}