{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950752,-0.309953,0.000000,0.000000,0.173344,-0.531715,0.828994,0.000000,-0.256408,0.786506,0.561839,0.000000,-1637135.023786,5021750.948503,3563266.397460,1],    "boundingVolume": {    "region": [1.885858,0.596523,1.886023,0.596692,0.000000,8.809550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1324435.b3dm"}}}