{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949860,-0.312674,0.000000,0.000000,0.174661,-0.530597,0.829434,0.000000,-0.258797,0.786189,0.561187,0.000000,-1652385.635280,5019716.902942,3559118.448115,1],    "boundingVolume": {    "region": [1.888727,0.595735,1.888880,0.595903,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352910.b3dm"}}}