{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944275,-0.329157,0.000000,0.000000,0.184062,-0.528031,0.829038,0.000000,-0.272308,0.781190,0.561774,0.000000,-1738657.840436,4987808.650779,3562852.055675,1],    "boundingVolume": {    "region": [1.906150,0.596491,1.906264,0.596566,0.000000,8.522370]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_130907.b3dm"}}}