{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896504,-0.443037,0.000000,0.000000,0.282975,-0.572611,0.769442,0.000000,-0.339955,0.687913,0.641254,0.000000,-2171268.051196,4393653.385680,4068229.905369,1],    "boundingVolume": {    "region": [2.029688,0.696075,2.029871,0.696188,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_510897.b3dm"}}}