{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943074,-0.332584,0.000000,0.000000,0.186167,-0.527893,0.828656,0.000000,-0.275016,0.779833,0.562340,0.000000,-1755946.640821,4979155.513280,3566450.596923,1],    "boundingVolume": {    "region": [1.909776,0.597174,1.909901,0.597253,0.000000,8.707327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1286302.b3dm"}}}