{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896112,-0.443829,0.000000,0.000000,0.288247,-0.581984,0.760400,0.000000,-0.336529,0.679468,0.651975,0.000000,-2149489.241022,4339921.776422,4136434.835820,1],    "boundingVolume": {    "region": [2.030573,0.710133,2.030753,0.710238,0.000000,21.689522]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/14_1785746.b3dm"}}}