{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944013,-0.329909,0.000000,0.000000,0.184415,-0.527692,0.829176,0.000000,-0.272976,0.781104,0.561570,0.000000,-1742921.097669,4987254.290617,3561553.597366,1],    "boundingVolume": {    "region": [1.906956,0.596224,1.907051,0.596339,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1268649.b3dm"}}}