{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950239,-0.311523,0.000000,0.000000,0.174214,-0.531404,0.829011,0.000000,-0.257712,0.786098,0.561814,0.000000,-1645459.701304,5019144.762677,3563104.975946,1],    "boundingVolume": {    "region": [1.887516,0.596484,1.887668,0.596670,0.000000,8.770327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1329687.b3dm"}}}