{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896520,-0.443002,0.000000,0.000000,0.282950,-0.572616,0.769448,0.000000,-0.339931,0.687931,0.641248,0.000000,-2171114.762953,4393767.208802,4068189.059926,1],    "boundingVolume": {    "region": [2.029650,0.696067,2.029832,0.696179,0.000000,49.342115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_507529.b3dm"}}}