{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949598,-0.313471,0.000000,0.000000,0.175223,-0.530802,0.829184,0.000000,-0.259378,0.785733,0.561557,0.000000,-1656097.925133,5016811.128640,3561473.423962,1],    "boundingVolume": {    "region": [1.889593,0.596226,1.889692,0.596308,0.000000,12.700957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1444258.b3dm"}}}