{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951035,-0.309082,0.000000,0.000000,0.172646,-0.531226,0.829453,0.000000,-0.255830,0.787180,0.561158,0.000000,-1633440.272786,5026044.228664,3558935.412233,1],    "boundingVolume": {    "region": [1.884951,0.595674,1.885097,0.595894,0.000000,8.711283]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1340190.b3dm"}}}