{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894821,-0.446424,0.000000,0.000000,0.284603,-0.570464,0.770436,0.000000,-0.343000,0.687516,0.640057,0.000000,-2190706.768858,4391094.294747,4060615.896936,1],    "boundingVolume": {    "region": [2.033495,0.694510,2.033628,0.694635,0.000000,51.199289]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1137940.b3dm"}}}