{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898485,-0.439005,0.000000,0.000000,0.283917,-0.581075,0.762721,0.000000,-0.333895,0.683363,0.649253,0.000000,-2132640.211122,4364742.770034,4119119.788809,1],    "boundingVolume": {    "region": [2.025237,0.706565,2.025338,0.706639,0.000000,52.896269]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_1819302.b3dm"}}}