{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950607,-0.310398,0.000000,0.000000,0.173222,-0.530499,0.829798,0.000000,-0.257027,0.787155,0.560646,0.000000,-1641080.258457,5025875.811753,3555678.983552,1],    "boundingVolume": {    "region": [1.886350,0.595108,1.886466,0.595222,0.000000,8.646179]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1345875.b3dm"}}}