{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950742,-0.309983,0.000000,0.000000,0.173393,-0.531809,0.828923,0.000000,-0.256410,0.786430,0.561944,0.000000,-1637152.422871,5021268.786615,3563933.329313,1],    "boundingVolume": {    "region": [1.885889,0.596650,1.886054,0.596819,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387146.b3dm"}}}