{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898431,-0.439115,0.000000,0.000000,0.283593,-0.580232,0.763482,0.000000,-0.334315,0.684010,0.648355,0.000000,-2135315.274430,4368858.237014,4113405.521222,1],    "boundingVolume": {    "region": [2.025344,0.705310,2.025476,0.705533,0.000000,15.890044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1831747.b3dm"}}}