{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858192,-0.513328,0.000000,0.000000,0.262632,-0.439073,0.859209,0.000000,-0.440277,0.736065,0.514164,0.000000,-2810637.344845,4698881.307523,3260341.101703,1],    "boundingVolume": {    "region": [2.109772,0.539970,2.109937,0.540095,0.000000,57.030916]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_40601.b3dm"}}}