{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852958,-0.521980,0.000000,0.000000,0.269313,-0.440079,0.856622,0.000000,-0.446337,0.729350,0.518490,0.000000,-2849362.906489,4656087.306232,3287820.138604,1],    "boundingVolume": {    "region": [2.119921,0.545042,2.120013,0.545126,0.000000,100.381366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_4402.b3dm"}}}