{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948815,-0.315831,0.000000,0.000000,0.176304,-0.529648,0.829693,0.000000,-0.261493,0.785572,0.560802,0.000000,-1669593.990451,5015765.880972,3556673.444399,1],    "boundingVolume": {    "region": [1.892081,0.595243,1.892177,0.595466,0.000000,8.749932]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1072943.b3dm"}}}