{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948885,-0.315623,0.000000,0.000000,0.176479,-0.530564,0.829070,0.000000,-0.261122,0.785034,0.561727,0.000000,-1667235.287670,5012348.775251,3562552.683213,1],    "boundingVolume": {    "region": [1.891841,0.596419,1.891978,0.596525,0.000000,8.756069]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1055420.b3dm"}}}