{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949092,-0.314998,0.000000,0.000000,0.175886,-0.529945,0.829591,0.000000,-0.260771,0.785704,0.560953,0.000000,-1664986.281754,5016614.670044,3557629.763924,1],    "boundingVolume": {    "region": [1.891183,0.595483,1.891320,0.595589,0.000000,7.903132]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1374626.b3dm"}}}