{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949889,-0.312587,0.000000,0.000000,0.174465,-0.530163,0.829752,0.000000,-0.258825,0.786518,0.560713,0.000000,-1652561.634536,5021804.892680,3556110.250998,1],    "boundingVolume": {    "region": [1.888630,0.595182,1.888793,0.595313,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356469.b3dm"}}}