{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950910,-0.309466,0.000000,0.000000,0.173080,-0.531831,0.828975,0.000000,-0.255999,0.786619,0.561868,0.000000,-1634523.070027,5022470.856627,3563449.609895,1],    "boundingVolume": {    "region": [1.885345,0.596558,1.885511,0.596727,0.000000,8.803589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386650.b3dm"}}}