{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949092,-0.315000,0.000000,0.000000,0.175820,-0.529743,0.829735,0.000000,-0.260818,0.785841,0.560739,0.000000,-1665286.023767,5017483.440983,3556273.192741,1],    "boundingVolume": {    "region": [1.891185,0.595225,1.891322,0.595331,0.000000,8.820004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1375101.b3dm"}}}