{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897632,-0.440746,0.000000,0.000000,0.283171,-0.576711,0.766302,0.000000,-0.336806,0.685945,0.645012,0.000000,-2151192.785342,4381157.856758,4092138.818253,1],    "boundingVolume": {    "region": [2.027163,0.701005,2.027290,0.701074,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_861903.b3dm"}}}