{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944301,-0.329082,0.000000,0.000000,0.183946,-0.527834,0.829189,0.000000,-0.272296,0.781356,0.561550,0.000000,-1738579.587999,4988860.958742,3561426.231672,1],    "boundingVolume": {    "region": [1.906070,0.596220,1.906185,0.596295,0.000000,8.768828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_851625.b3dm"}}}