{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950032,-0.312152,0.000000,0.000000,0.174049,-0.529717,0.830124,0.000000,-0.258582,0.786992,0.560160,0.000000,-1651003.536963,5024823.899654,3552591.327482,1],    "boundingVolume": {    "region": [1.888171,0.594513,1.888335,0.594644,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1460409.b3dm"}}}