{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897675,-0.440657,0.000000,0.000000,0.285463,-0.581524,0.761801,0.000000,-0.334745,0.681918,0.650334,0.000000,-2138077.534846,4355536.541172,4125993.876388,1],    "boundingVolume": {    "region": [2.027051,0.707910,2.027203,0.708137,0.000000,10.110718]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796613.b3dm"}}}