{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943955,-0.330075,0.000000,0.000000,0.184183,-0.526730,0.829839,0.000000,-0.273334,0.781686,0.560585,0.000000,-1745200.668794,4990954.140746,3555291.141612,1],    "boundingVolume": {    "region": [1.907132,0.595034,1.907227,0.595149,0.000000,8.725907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/1_1309794.b3dm"}}}