{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898126,-0.439738,0.000000,0.000000,0.284279,-0.580613,0.762938,0.000000,-0.334549,0.683286,0.648998,0.000000,-2136812.011729,4364247.278299,4117493.406806,1],    "boundingVolume": {    "region": [2.026037,0.706155,2.026170,0.706377,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821310.b3dm"}}}