{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949757,-0.312988,0.000000,0.000000,0.174836,-0.530539,0.829434,0.000000,-0.259057,0.786104,0.561187,0.000000,-1654043.728832,5019171.849896,3559116.963047,1],    "boundingVolume": {    "region": [1.889057,0.595735,1.889210,0.595903,0.000000,8.820307]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1352913.b3dm"}}}