{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951603,-0.307331,0.000000,0.000000,0.114674,-0.355069,0.927780,0.000000,-0.284868,0.882048,0.375289,0.000000,-1817781.567151,5628476.478170,2378743.239710,1],    "boundingVolume": {    "region": [1.883161,0.384696,1.883206,0.384721,0.000000,4.148256]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/16/42.b3dm"}}}