{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898093,-0.439806,0.000000,0.000000,0.284319,-0.580585,0.762945,0.000000,-0.334603,0.683267,0.648989,0.000000,-2137160.802410,4364126.772432,4117440.466073,1],    "boundingVolume": {    "region": [2.026113,0.706144,2.026245,0.706366,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821274.b3dm"}}}