{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949942,-0.312425,0.000000,0.000000,0.174458,-0.530446,0.829573,0.000000,-0.258635,0.786390,0.560980,0.000000,-1651348.488081,5020994.348996,3557806.493693,1],    "boundingVolume": {    "region": [1.888459,0.595504,1.888623,0.595635,0.000000,8.479583]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1354239.b3dm"}}}