{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950204,-0.311628,0.000000,0.000000,0.173914,-0.530293,0.829785,0.000000,-0.258041,0.786810,0.560665,0.000000,-1647556.063282,5023668.835144,3555802.253923,1],    "boundingVolume": {    "region": [1.887652,0.595130,1.887752,0.595247,0.000000,8.805401]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/8_1453953.b3dm"}}}