{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943818,-0.330467,0.000000,0.000000,0.183971,-0.525425,0.830713,0.000000,-0.273950,0.782403,0.559283,0.000000,-1749119.965658,4995507.368285,3547016.389763,1],    "boundingVolume": {    "region": [1.907540,0.593430,1.907649,0.593610,0.000000,8.076296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1243570.b3dm"}}}