{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897892,-0.440215,0.000000,0.000000,0.282591,-0.576392,0.766756,0.000000,-0.336601,0.686554,0.644472,0.000000,-2149877.050646,4385032.923614,4088701.397831,1],    "boundingVolume": {    "region": [2.026571,0.700298,2.026698,0.700367,0.000000,13.719550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_851992.b3dm"}}}