{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949895,-0.312570,0.000000,0.000000,0.174458,-0.530175,0.829747,0.000000,-0.258809,0.786517,0.560722,0.000000,-1652459.148679,5021799.817817,3556164.675087,1],    "boundingVolume": {    "region": [1.888611,0.595192,1.888775,0.595323,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356381.b3dm"}}}