{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949610,-0.313435,0.000000,0.000000,0.175037,-0.530306,0.829540,0.000000,-0.259460,0.786084,0.561028,0.000000,-1656619.116979,5019040.105496,3558111.580282,1],    "boundingVolume": {    "region": [1.889555,0.595587,1.889654,0.595668,0.000000,8.737684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366330.b3dm"}}}