{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898165,-0.439659,0.000000,0.000000,0.284180,-0.580542,0.763029,0.000000,-0.334528,0.683398,0.648890,0.000000,-2136681.025355,4364960.553981,4116809.848281,1],    "boundingVolume": {    "region": [2.025949,0.706013,2.026081,0.706236,0.000000,14.876955]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1836806.b3dm"}}}