{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895008,-0.446050,0.000000,0.000000,0.284365,-0.570585,0.770434,0.000000,-0.342712,0.687658,0.640059,0.000000,-2188864.652389,4392001.025000,4060628.590513,1],    "boundingVolume": {    "region": [2.033077,0.694513,2.033210,0.694638,0.000000,46.323488]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/12_978970.b3dm"}}}