{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949881,-0.312613,0.000000,0.000000,0.174721,-0.530892,0.829232,0.000000,-0.258683,0.786013,0.561486,0.000000,-1651659.173937,5018596.434138,3561022.415178,1],    "boundingVolume": {    "region": [1.888654,0.596078,1.888825,0.596283,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1436122.b3dm"}}}