{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949885,-0.312598,0.000000,0.000000,0.174482,-0.530194,0.829729,0.000000,-0.258827,0.786492,0.560748,0.000000,-1652575.292570,5021643.825244,3556329.866729,1],    "boundingVolume": {    "region": [1.888642,0.595223,1.888805,0.595354,0.000000,8.720260]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356131.b3dm"}}}