{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950894,-0.309516,0.000000,0.000000,0.173169,-0.532010,0.828841,0.000000,-0.255999,0.786477,0.562066,0.000000,-1634523.437660,5021571.689328,3564707.946567,1],    "boundingVolume": {    "region": [1.885398,0.596797,1.885563,0.596966,0.000000,8.202062]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1323763.b3dm"}}}