{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898073,-0.439846,0.000000,0.000000,0.284334,-0.580550,0.762965,0.000000,-0.334643,0.683271,0.648965,0.000000,-2137412.492096,4364150.687131,4117285.512461,1],    "boundingVolume": {    "region": [2.026157,0.706112,2.026289,0.706334,0.000000,35.525152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1821084.b3dm"}}}