{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942984,-0.332839,0.000000,0.000000,0.186390,-0.528070,0.828493,0.000000,-0.275172,0.779604,0.562582,0.000000,-1756946.219515,4977696.176240,3567984.737160,1],    "boundingVolume": {    "region": [1.910046,0.597466,1.910172,0.597545,0.000000,7.957741]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1255586.b3dm"}}}