{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898087,-0.439817,0.000000,0.000000,0.284299,-0.580527,0.762996,0.000000,-0.334635,0.683309,0.648929,0.000000,-2137360.243151,4364393.356104,4117056.944122,1],    "boundingVolume": {    "region": [2.026125,0.706064,2.026258,0.706287,0.000000,8.616256]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1820556.b3dm"}}}