{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949358,-0.314196,0.000000,0.000000,0.175435,-0.530083,0.829599,0.000000,-0.260109,0.785931,0.560941,0.000000,-1660762.695706,5018065.955768,3557557.644470,1],    "boundingVolume": {    "region": [1.890325,0.595389,1.890487,0.595655,0.000000,8.152284]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367192.b3dm"}}}