{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949985,-0.312294,0.000000,0.000000,0.174469,-0.530728,0.829391,0.000000,-0.258469,0.786251,0.561251,0.000000,-1650290.587768,5020114.274358,3559527.249048,1],    "boundingVolume": {    "region": [1.888318,0.595794,1.888489,0.595999,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433775.b3dm"}}}