{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950052,-0.312092,0.000000,0.000000,0.174018,-0.529737,0.830118,0.000000,-0.258530,0.787003,0.560169,0.000000,-1650675.406362,5024890.921793,3552648.621108,1],    "boundingVolume": {    "region": [1.888108,0.594524,1.888272,0.594655,0.000000,11.823777]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1377985.b3dm"}}}