{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942984,-0.332839,0.000000,0.000000,0.186391,-0.528074,0.828490,0.000000,-0.275171,0.779601,0.562586,0.000000,-1756939.528287,4977680.298764,3568010.012250,1],    "boundingVolume": {    "region": [1.910046,0.597470,1.910171,0.597550,0.000000,7.321120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1255560.b3dm"}}}