{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949881,-0.312613,0.000000,0.000000,0.174645,-0.530661,0.829396,0.000000,-0.258734,0.786170,0.561243,0.000000,-1651985.958038,5019593.213156,3559476.003009,1],    "boundingVolume": {    "region": [1.888662,0.595803,1.888815,0.595971,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1351957.b3dm"}}}