{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897640,-0.440730,0.000000,0.000000,0.283135,-0.576664,0.766351,0.000000,-0.336815,0.685995,0.644954,0.000000,-2151251.606644,4381475.149835,4091770.645626,1],    "boundingVolume": {    "region": [2.027145,0.700929,2.027272,0.700998,0.000000,6.641135]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861220.b3dm"}}}