{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944023,-0.329879,0.000000,0.000000,0.184388,-0.527667,0.829198,0.000000,-0.272959,0.781133,0.561537,0.000000,-1742809.799559,4987443.226811,3561344.889190,1],    "boundingVolume": {    "region": [1.906924,0.596185,1.907020,0.596300,0.000000,8.802018]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1300468.b3dm"}}}