{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950436,-0.310921,0.000000,0.000000,0.173412,-0.530093,0.830018,0.000000,-0.257529,0.787225,0.560318,0.000000,-1644284.818269,5026310.620571,3553597.310468,1],    "boundingVolume": {    "region": [1.886867,0.594697,1.887050,0.594843,0.000000,8.565167]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1375469.b3dm"}}}