{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950270,-0.311427,0.000000,0.000000,0.173877,-0.530557,0.829624,0.000000,-0.257825,0.786710,0.560904,0.000000,-1646176.350412,5023038.154046,3557321.675479,1],    "boundingVolume": {    "region": [1.887441,0.595419,1.887541,0.595536,0.000000,8.799516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_1455266.b3dm"}}}