{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949911,-0.312522,0.000000,0.000000,0.174429,-0.530177,0.829751,0.000000,-0.258771,0.786535,0.560715,0.000000,-1652214.782696,5021913.225913,3556118.379212,1],    "boundingVolume": {    "region": [1.888561,0.595183,1.888725,0.595314,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356455.b3dm"}}}