{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898447,-0.439083,0.000000,0.000000,0.283960,-0.581036,0.762735,0.000000,-0.333960,0.683347,0.649236,0.000000,-2133056.743475,4364641.681611,4119011.951993,1],    "boundingVolume": {    "region": [2.025323,0.706542,2.025424,0.706617,0.000000,6.147139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1819167.b3dm"}}}