{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949849,-0.312710,0.000000,0.000000,0.174595,-0.530328,0.829620,0.000000,-0.258886,0.786357,0.560910,0.000000,-1652949.503313,5020785.285110,3557361.037263,1],    "boundingVolume": {    "region": [1.888760,0.595419,1.888923,0.595550,0.000000,8.776430]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1355114.b3dm"}}}