{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949736,-0.313053,0.000000,0.000000,0.174892,-0.530586,0.829392,0.000000,-0.259097,0.786046,0.561249,0.000000,-1654302.750869,5018805.022028,3559511.190907,1],    "boundingVolume": {    "region": [1.889125,0.595809,1.889278,0.595978,0.000000,8.812817]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1351741.b3dm"}}}