{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944522,-0.328448,0.000000,0.000000,0.183656,-0.528143,0.829057,0.000000,-0.271728,0.781412,0.561747,0.000000,-1734950.963840,4989224.828606,3562677.384267,1],    "boundingVolume": {    "region": [1.905399,0.596458,1.905513,0.596533,0.000000,7.405586]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/7_131066.b3dm"}}}