{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894807,-0.446453,0.000000,0.000000,0.284607,-0.570427,0.770462,0.000000,-0.343033,0.687528,0.640026,0.000000,-2190920.013974,4391174.313288,4060415.658159,1],    "boundingVolume": {    "region": [2.033527,0.694469,2.033660,0.694594,0.000000,41.161486]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_983333.b3dm"}}}