{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898414,-0.439150,0.000000,0.000000,0.283954,-0.580912,0.762831,0.000000,-0.334055,0.683409,0.649123,0.000000,-2133656.849560,4365034.271836,4118289.921575,1],    "boundingVolume": {    "region": [2.025399,0.706393,2.025500,0.706468,0.000000,7.861304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1818149.b3dm"}}}