{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898107,-0.439778,0.000000,0.000000,0.284299,-0.580590,0.762948,0.000000,-0.334583,0.683281,0.648985,0.000000,-2137033.582245,4364213.587074,4117414.654868,1],    "boundingVolume": {    "region": [2.026081,0.706138,2.026214,0.706361,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821252.b3dm"}}}