{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897958,-0.440080,0.000000,0.000000,0.284688,-0.580889,0.762575,0.000000,-0.334649,0.682831,0.649425,0.000000,-2137453.916378,4361350.631206,4120210.240826,1],    "boundingVolume": {    "region": [2.026418,0.706716,2.026551,0.706939,0.000000,15.315936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823950.b3dm"}}}