{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949015,-0.315230,0.000000,0.000000,0.175935,-0.529661,0.829763,0.000000,-0.261017,0.785804,0.560698,0.000000,-1666558.317236,5017248.062309,3556011.032826,1],    "boundingVolume": {    "region": [1.891448,0.595133,1.891543,0.595324,0.000000,7.077616]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1073408.b3dm"}}}