{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896763,-0.442512,0.000000,0.000000,0.286854,-0.581319,0.761435,0.000000,-0.335990,0.680894,0.650764,0.000000,-2146035.938434,4349005.227459,4128732.312751,1],    "boundingVolume": {    "region": [2.029145,0.708552,2.029243,0.708628,0.000000,8.771775]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/21_1791079.b3dm"}}}