{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948952,-0.315422,0.000000,0.000000,0.176012,-0.529535,0.829827,0.000000,-0.261196,0.785813,0.560602,0.000000,-1667699.326648,5017302.332149,3555403.575770,1],    "boundingVolume": {    "region": [1.891650,0.595018,1.891745,0.595208,0.000000,8.807851]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/29_1075059.b3dm"}}}