{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943855,-0.330360,0.000000,0.000000,0.184505,-0.527139,0.829507,0.000000,-0.273460,0.781289,0.561077,0.000000,-1746005.376222,4988424.369639,3558423.955845,1],    "boundingVolume": {    "region": [1.907434,0.595629,1.907529,0.595744,0.000000,8.807456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1273763.b3dm"}}}