{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950042,-0.312124,0.000000,0.000000,0.174069,-0.529830,0.830049,0.000000,-0.258535,0.786927,0.560273,0.000000,-1650703.857495,5024411.904194,3553308.387041,1],    "boundingVolume": {    "region": [1.888142,0.594649,1.888306,0.594780,0.000000,18.972007]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1459586.b3dm"}}}