{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897652,-0.440704,0.000000,0.000000,0.283155,-0.576747,0.766281,0.000000,-0.336764,0.685942,0.645037,0.000000,-2150927.163908,4381137.669573,4092298.974312,1],    "boundingVolume": {    "region": [2.027116,0.701038,2.027243,0.701107,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_815400.b3dm"}}}