{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948912,-0.315540,0.000000,0.000000,0.116960,-0.351730,0.928766,0.000000,-0.292791,0.880500,0.372818,0.000000,-1868328.514555,5618564.155587,2363066.455338,1],    "boundingVolume": {    "region": [1.891764,0.382005,1.891879,0.382084,0.000000,5.504983]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/25/21.b3dm"}}}