{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949040,-0.315156,0.000000,0.000000,0.116252,-0.350075,0.929480,0.000000,-0.292662,0.881303,0.371017,0.000000,-1867496.825760,5623664.813384,2351639.944397,1],    "boundingVolume": {    "region": [1.891363,0.380046,1.891471,0.380162,0.000000,51.109123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/23_2950.b3dm"}}}