{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950342,-0.311208,0.000000,0.000000,0.173864,-0.530933,0.829386,0.000000,-0.257568,0.786542,0.561258,0.000000,-1644541.139660,5021968.708105,3559572.049238,1],    "boundingVolume": {    "region": [1.887210,0.595847,1.887310,0.595964,0.000000,8.806721]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1429703.b3dm"}}}