{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898146,-0.439697,0.000000,0.000000,0.283905,-0.579918,0.763606,0.000000,-0.334813,0.683904,0.648210,0.000000,-2138491.377814,4368180.445941,4112481.494618,1],    "boundingVolume": {    "region": [2.025992,0.705120,2.026124,0.705342,0.000000,19.091116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1844714.b3dm"}}}