{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949881,-0.312613,0.000000,0.000000,0.174718,-0.530884,0.829238,0.000000,-0.258684,0.786019,0.561478,0.000000,-1651668.145150,5018632.516233,3560967.770867,1],    "boundingVolume": {    "region": [1.888653,0.596068,1.888824,0.596273,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435626.b3dm"}}}