{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896320,-0.443408,0.000000,0.000000,0.283709,-0.573497,0.768512,0.000000,-0.339825,0.686933,0.642372,0.000000,-2170450.376084,4387417.504267,4075341.956205,1],    "boundingVolume": {    "region": [2.030128,0.697530,2.030260,0.697649,0.000000,46.269899]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_539966.b3dm"}}}