{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949724,-0.313089,0.000000,0.000000,0.174744,-0.530067,0.829755,0.000000,-0.259242,0.786383,0.560709,0.000000,-1655224.338293,5020947.241266,3556083.090362,1],    "boundingVolume": {    "region": [1.889160,0.595109,1.889322,0.595375,0.000000,8.781259]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/13_1456687.b3dm"}}}