{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898008,-0.439979,0.000000,0.000000,0.284409,-0.580486,0.762986,0.000000,-0.334753,0.683240,0.648941,0.000000,-2138119.274823,4363951.045883,4117131.182379,1],    "boundingVolume": {    "region": [2.026306,0.706080,2.026438,0.706303,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820753.b3dm"}}}