{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898018,-0.439960,0.000000,0.000000,0.284389,-0.580477,0.763000,0.000000,-0.334745,0.683260,0.648923,0.000000,-2138064.436957,4364081.624786,4117021.985918,1],    "boundingVolume": {    "region": [2.026284,0.706057,2.026416,0.706280,0.000000,9.329967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820485.b3dm"}}}