{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893967,-0.448132,0.000000,0.000000,0.288742,-0.576004,0.764753,0.000000,-0.341752,0.681753,0.646853,0.000000,-2182802.618912,4354414.297615,4103849.009299,1],    "boundingVolume": {    "region": [2.035389,0.703369,2.035554,0.703532,0.000000,42.859510]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_1991545.b3dm"}}}