{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944011,-0.329913,0.000000,0.000000,0.184416,-0.527688,0.829178,0.000000,-0.272980,0.781105,0.561567,0.000000,-1742947.740452,4987259.249828,3561533.748375,1],    "boundingVolume": {    "region": [1.906960,0.596221,1.907056,0.596336,0.000000,8.741555]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1268678.b3dm"}}}