{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857992,-0.513664,0.000000,0.000000,0.262895,-0.439123,0.859102,0.000000,-0.440510,0.735800,0.514343,0.000000,-2812125.035809,4697197.354081,3261476.935606,1],    "boundingVolume": {    "region": [2.110164,0.540179,2.110328,0.540304,0.000000,16.055300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_380474.b3dm"}}}