{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943931,-0.330141,0.000000,0.000000,0.184392,-0.527208,0.829489,0.000000,-0.273273,0.781334,0.561105,0.000000,-1744811.020521,4988715.459800,3558600.512866,1],    "boundingVolume": {    "region": [1.907202,0.595663,1.907298,0.595778,0.000000,8.809487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1297567.b3dm"}}}