{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898893,-0.438167,0.000000,0.000000,0.282882,-0.580329,0.763673,0.000000,-0.333677,0.684534,0.648130,0.000000,-2131239.062741,4372202.977905,4111975.081651,1],    "boundingVolume": {    "region": [2.024273,0.705067,2.024438,0.705186,0.000000,16.243724]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_1842688.b3dm"}}}