{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949886,-0.312597,0.000000,0.000000,0.174712,-0.530896,0.829232,0.000000,-0.258670,0.786017,0.561487,0.000000,-1651574.363086,5018622.331099,3561025.234768,1],    "boundingVolume": {    "region": [1.888637,0.596079,1.888808,0.596284,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1436173.b3dm"}}}