{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950042,-0.312122,0.000000,0.000000,0.174046,-0.529764,0.830095,0.000000,-0.258548,0.786972,0.560203,0.000000,-1650790.195089,5024696.934979,3552868.169229,1],    "boundingVolume": {    "region": [1.888140,0.594566,1.888304,0.594697,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458847.b3dm"}}}