{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897719,-0.440568,0.000000,0.000000,0.282909,-0.576467,0.766583,0.000000,-0.336794,0.686265,0.644678,0.000000,-2151111.123358,4383195.477460,4090013.473556,1],    "boundingVolume": {    "region": [2.026964,0.700568,2.027091,0.700637,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858207.b3dm"}}}