{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950531,-0.310629,0.000000,0.000000,0.173522,-0.530982,0.829427,0.000000,-0.257102,0.786738,0.561198,0.000000,-1641561.394199,5023218.115271,3559187.107014,1],    "boundingVolume": {    "region": [1.886593,0.595775,1.886708,0.595889,0.000000,8.816373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1425230.b3dm"}}}