{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894807,-0.446453,0.000000,0.000000,0.284345,-0.569901,0.770948,0.000000,-0.343252,0.687966,0.639439,0.000000,-2192309.264868,4393956.300180,4056679.697714,1],    "boundingVolume": {    "region": [2.033527,0.693705,2.033660,0.693830,0.000000,49.315260]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1018750.b3dm"}}}