{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895043,-0.445980,0.000000,0.000000,0.284044,-0.570050,0.770949,0.000000,-0.342889,0.688147,0.639438,0.000000,-2189990.903285,4395114.569707,4056677.205487,1],    "boundingVolume": {    "region": [2.032999,0.693705,2.033133,0.693830,0.000000,49.266607]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/6_1016271.b3dm"}}}