{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943175,-0.332296,0.000000,0.000000,0.186039,-0.528046,0.828588,0.000000,-0.274754,0.779852,0.562442,0.000000,-1754278.808337,4979279.044954,3567094.502464,1],    "boundingVolume": {    "region": [1.909470,0.597296,1.909595,0.597376,0.000000,8.027374]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1255990.b3dm"}}}