{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898008,-0.439980,0.000000,0.000000,0.283859,-0.579362,0.764045,0.000000,-0.335222,0.684195,0.647691,0.000000,-2141099.572886,4370030.807372,4109179.498344,1],    "boundingVolume": {    "region": [2.026306,0.704438,2.026438,0.704661,0.000000,28.436203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1850466.b3dm"}}}