{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948803,-0.315868,0.000000,0.000000,0.176282,-0.529516,0.829782,0.000000,-0.261551,0.785646,0.560670,0.000000,-1669967.481623,5016241.023555,3555833.561801,1],    "boundingVolume": {    "region": [1.892120,0.595083,1.892216,0.595306,0.000000,8.815350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1179497.b3dm"}}}