{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857941,-0.513748,0.000000,0.000000,0.263228,-0.439582,0.858766,0.000000,-0.440408,0.735466,0.514908,0.000000,-2811481.055413,4695070.928441,3265067.734386,1],    "boundingVolume": {    "region": [2.110262,0.540838,2.110427,0.540963,0.000000,81.336300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_450632.b3dm"}}}