{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950036,-0.312142,0.000000,0.000000,0.174282,-0.530444,0.829612,0.000000,-0.258412,0.786504,0.560923,0.000000,-1649927.181399,5021722.879488,3557440.134996,1],    "boundingVolume": {    "region": [1.888161,0.595434,1.888325,0.595565,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1456936.b3dm"}}}