{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949712,-0.313124,0.000000,0.000000,0.175003,-0.530790,0.829238,0.000000,-0.259107,0.785879,0.561478,0.000000,-1654367.321832,5017742.773116,3560968.638656,1],    "boundingVolume": {    "region": [1.889200,0.596087,1.889353,0.596255,0.000000,17.871203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1435646.b3dm"}}}