{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950886,-0.309540,0.000000,0.000000,0.173184,-0.532009,0.828839,0.000000,-0.256017,0.786469,0.562070,0.000000,-1634643.916888,5021516.907628,3564729.724484,1],    "boundingVolume": {    "region": [1.885423,0.596801,1.885588,0.596971,0.000000,8.202062]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1323757.b3dm"}}}