{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895646,-0.444767,0.000000,0.000000,0.284231,-0.572369,0.769160,0.000000,-0.341156,0.687000,0.641594,0.000000,-2178944.851077,4387831.986966,4070393.189860,1],    "boundingVolume": {    "region": [2.031650,0.696516,2.031771,0.696634,0.000000,48.494249]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_686791.b3dm"}}}