{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895731,-0.444597,0.000000,0.000000,0.284146,-0.572469,0.769117,0.000000,-0.341006,0.687026,0.641646,0.000000,-2177988.426003,4388000.056096,4070721.659813,1],    "boundingVolume": {    "region": [2.031460,0.696583,2.031581,0.696701,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_949129.b3dm"}}}