{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897993,-0.440011,0.000000,0.000000,0.284417,-0.580451,0.763009,0.000000,-0.334788,0.683249,0.648913,0.000000,-2138336.814801,4364010.583107,4116956.271396,1],    "boundingVolume": {    "region": [2.026341,0.706044,2.026473,0.706266,0.000000,6.397144]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820321.b3dm"}}}