{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949916,-0.312506,0.000000,0.000000,0.174491,-0.530397,0.829597,0.000000,-0.258709,0.786391,0.560944,0.000000,-1651821.162003,5021003.388356,3557575.861586,1],    "boundingVolume": {    "region": [1.888544,0.595460,1.888708,0.595591,0.000000,8.381496]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354634.b3dm"}}}