{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948778,-0.315945,0.000000,0.000000,0.176027,-0.528606,0.830416,0.000000,-0.261817,0.786231,0.559725,0.000000,-1671657.027450,5019958.819405,3549828.380220,1],    "boundingVolume": {    "region": [1.892201,0.593942,1.892297,0.594165,0.000000,5.997246]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1093660.b3dm"}}}