{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950281,-0.311393,0.000000,0.000000,0.173850,-0.530540,0.829640,0.000000,-0.257801,0.786735,0.560880,0.000000,-1646025.400403,5023197.232554,3557167.931420,1],    "boundingVolume": {    "region": [1.887405,0.595390,1.887504,0.595507,0.000000,8.814338]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/10_1455060.b3dm"}}}