{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894763,-0.446542,0.000000,0.000000,0.284662,-0.570395,0.770466,0.000000,-0.343104,0.687497,0.640021,0.000000,-2191369.505566,4390976.561088,4060387.144710,1],    "boundingVolume": {    "region": [2.033626,0.694464,2.033760,0.694588,0.000000,49.828722]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_983845.b3dm"}}}