{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949013,-0.315236,0.000000,0.000000,0.175936,-0.529651,0.829769,0.000000,-0.261024,0.785808,0.560689,0.000000,-1666601.873385,5017273.208514,3555955.513911,1],    "boundingVolume": {    "region": [1.891455,0.595123,1.891549,0.595313,0.000000,8.547729]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1073464.b3dm"}}}