{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950751,-0.309954,0.000000,0.000000,0.173373,-0.531802,0.828932,0.000000,-0.256389,0.786446,0.561931,0.000000,-1637016.381984,5021371.835288,3563851.184027,1],    "boundingVolume": {    "region": [1.885859,0.596634,1.886024,0.596803,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1387011.b3dm"}}}