{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950050,-0.312098,0.000000,0.000000,0.174028,-0.529754,0.830105,0.000000,-0.258531,0.786988,0.560188,0.000000,-1650681.632186,5024800.478073,3552772.812288,1],    "boundingVolume": {    "region": [1.888115,0.594548,1.888279,0.594679,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458665.b3dm"}}}