{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943318,-0.331890,0.000000,0.000000,0.186040,-0.528774,0.828123,0.000000,-0.274263,0.779529,0.563129,0.000000,-1751149.287069,4977227.366063,3571463.406794,1],    "boundingVolume": {    "region": [1.909030,0.598119,1.909175,0.598216,0.000000,8.064444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_1248854.b3dm"}}}