{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952008,-0.306074,0.000000,0.000000,0.113487,-0.352988,0.928720,0.000000,-0.283993,0.883327,0.372935,0.000000,-1812192.648799,5636607.611350,2363807.629441,1],    "boundingVolume": {    "region": [1.881854,0.382162,1.881872,0.382178,0.000000,8.916255]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/51/43.b3dm"}}}