{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949672,-0.313247,0.000000,0.000000,0.175081,-0.530793,0.829220,0.000000,-0.259204,0.785829,0.561504,0.000000,-1654984.145709,5017419.866305,3561135.879658,1],    "boundingVolume": {    "region": [1.889330,0.596118,1.889483,0.596287,0.000000,18.491004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1443451.b3dm"}}}