{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898447,-0.439082,0.000000,0.000000,0.283960,-0.581037,0.762733,0.000000,-0.333960,0.683345,0.649238,0.000000,-2133051.084344,4364632.414155,4119024.617323,1],    "boundingVolume": {    "region": [2.025323,0.706545,2.025424,0.706620,0.000000,6.368182]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1819182.b3dm"}}}