{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949209,-0.314647,0.000000,0.000000,0.115208,-0.347552,0.930556,0.000000,-0.292532,0.882492,0.368283,0.000000,-1866654.459279,5631214.472215,2334295.015770,1],    "boundingVolume": {    "region": [1.890819,0.377113,1.890943,0.377210,0.000000,58.782078]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/5_22948.b3dm"}}}