{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944161,-0.329485,0.000000,0.000000,0.184203,-0.527846,0.829125,0.000000,-0.272609,0.781178,0.561645,0.000000,-1740573.139470,4987729.202758,3562033.526497,1],    "boundingVolume": {    "region": [1.906497,0.596336,1.906611,0.596411,0.000000,8.759431]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_131718.b3dm"}}}