{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892922,-0.450210,0.000000,0.000000,0.290447,-0.576057,0.764067,0.000000,-0.343027,0.680340,0.647665,0.000000,-2190950.081167,4345409.368185,4109014.128956,1],    "boundingVolume": {    "region": [2.037745,0.704481,2.037849,0.704550,0.000000,6.279044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/13_1970744.b3dm"}}}