{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895795,-0.444468,0.000000,0.000000,0.284092,-0.572567,0.769064,0.000000,-0.340884,0.687028,0.641710,0.000000,-2177207.109901,4388008.220424,4071128.058166,1],    "boundingVolume": {    "region": [2.031316,0.696666,2.031438,0.696784,0.000000,37.137205]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/3_646340.b3dm"}}}