{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950054,-0.312086,0.000000,0.000000,0.174014,-0.529734,0.830121,0.000000,-0.258526,0.787007,0.560164,0.000000,-1650651.137364,5024919.328871,3552619.911276,1],    "boundingVolume": {    "region": [1.888102,0.594518,1.888266,0.594650,0.000000,11.823777]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458499.b3dm"}}}