{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949641,-0.313340,0.000000,0.000000,0.175059,-0.530551,0.829379,0.000000,-0.259331,0.785955,0.561268,0.000000,-1655793.188883,5018224.831546,3559635.354535,1],    "boundingVolume": {    "region": [1.889455,0.595876,1.889554,0.595958,0.000000,10.923164]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1361668.b3dm"}}}