{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950007,-0.312227,0.000000,0.000000,0.174488,-0.530912,0.829268,0.000000,-0.258375,0.786153,0.561432,0.000000,-1649693.645085,5019488.085101,3560679.086429,1],    "boundingVolume": {    "region": [1.888247,0.596013,1.888419,0.596218,0.000000,16.012885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1434474.b3dm"}}}