{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871278,-0.490790,0.000000,0.000000,0.211968,-0.376296,0.901926,0.000000,-0.442099,0.784839,0.434254,0.000000,-2821552.360583,5008971.270029,2752926.570323,1],    "boundingVolume": {    "region": [2.083737,0.449169,2.083849,0.449250,0.000000,109.170094]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_227185.b3dm"}}}