{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950492,-0.310750,0.000000,0.000000,0.173361,-0.530258,0.829923,0.000000,-0.257358,0.787180,0.560459,0.000000,-1643191.886416,5026028.065006,3554496.322973,1],    "boundingVolume": {    "region": [1.886687,0.594868,1.886870,0.595014,0.000000,8.821063]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1449255.b3dm"}}}