{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943963,-0.330050,0.000000,0.000000,0.184355,-0.527266,0.829460,0.000000,-0.273187,0.781333,0.561148,0.000000,-1744266.518054,4988709.503444,3558873.941951,1],    "boundingVolume": {    "region": [1.907105,0.595715,1.907201,0.595830,0.000000,8.803622]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1297780.b3dm"}}}