{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950480,-0.310784,0.000000,0.000000,0.173495,-0.530604,0.829674,0.000000,-0.257308,0.786932,0.560830,0.000000,-1642875.682751,5024454.833929,3556850.025378,1],    "boundingVolume": {    "region": [1.886765,0.595329,1.886864,0.595446,0.000000,8.818353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1450794.b3dm"}}}