{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896470,-0.443105,0.000000,0.000000,0.283019,-0.572590,0.769442,0.000000,-0.340007,0.687886,0.641255,0.000000,-2171601.439633,4393482.924509,4068236.009780,1],    "boundingVolume": {    "region": [2.029764,0.696077,2.029947,0.696189,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_513677.b3dm"}}}