{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942953,-0.332926,0.000000,0.000000,0.186401,-0.527948,0.828569,0.000000,-0.275269,0.779650,0.562470,0.000000,-1757565.621801,4977990.772748,3567273.396352,1],    "boundingVolume": {    "region": [1.910139,0.597330,1.910264,0.597410,0.000000,8.787063]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_1287075.b3dm"}}}