{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951852,-0.306557,0.000000,0.000000,0.112596,-0.349607,0.930106,0.000000,-0.284871,0.884517,0.369430,0.000000,-1817774.246739,5644149.997994,2341569.319109,1],    "boundingVolume": {    "region": [1.882288,0.378335,1.882452,0.378456,0.000000,20.735773]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/10_45624.b3dm"}}}