{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950850,-0.309653,0.000000,0.000000,0.173256,-0.532017,0.828819,0.000000,-0.256105,0.786419,0.562100,0.000000,-1635201.104817,5021199.811124,3564919.561379,1],    "boundingVolume": {    "region": [1.885542,0.596838,1.885707,0.597007,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1387967.b3dm"}}}