{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898004,-0.439987,0.000000,0.000000,0.284411,-0.580477,0.762992,0.000000,-0.334762,0.683242,0.648934,0.000000,-2138175.207239,4363965.897141,4117086.693015,1],    "boundingVolume": {    "region": [2.026315,0.706071,2.026447,0.706293,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820632.b3dm"}}}