{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895725,-0.444609,0.000000,0.000000,0.284161,-0.572481,0.769102,0.000000,-0.341009,0.687009,0.641663,0.000000,-2178006.861372,4387886.923892,4070832.992632,1],    "boundingVolume": {    "region": [2.031473,0.696606,2.031595,0.696724,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663338.b3dm"}}}