{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895737,-0.444583,0.000000,0.000000,0.284101,-0.572402,0.769183,0.000000,-0.341026,0.687091,0.641566,0.000000,-2178111.547349,4388413.177587,4070213.832249,1],    "boundingVolume": {    "region": [2.031445,0.696479,2.031566,0.696597,0.000000,33.651999]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_663427.b3dm"}}}