{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949344,-0.314239,0.000000,0.000000,0.175416,-0.529948,0.829689,0.000000,-0.260173,0.786006,0.560807,0.000000,-1661169.782848,5018539.397000,3556705.385299,1],    "boundingVolume": {    "region": [1.890370,0.595227,1.890532,0.595493,0.000000,8.668974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1368212.b3dm"}}}