{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895771,-0.444517,0.000000,0.000000,0.284120,-0.572546,0.769069,0.000000,-0.340924,0.687014,0.641703,0.000000,-2177461.034869,4387923.460847,4071083.906537,1],    "boundingVolume": {    "region": [2.031370,0.696657,2.031492,0.696775,0.000000,19.585270]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_653909.b3dm"}}}