{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943128,-0.332429,0.000000,0.000000,0.186135,-0.528080,0.828544,0.000000,-0.274850,0.779772,0.562506,0.000000,-1754891.505642,4978767.861926,3567503.865622,1],    "boundingVolume": {    "region": [1.909612,0.597374,1.909737,0.597454,0.000000,8.675233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1255823.b3dm"}}}