{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952025,-0.306020,0.000000,0.000000,0.169656,-0.527798,0.832254,0.000000,-0.254159,0.790685,0.556975,0.000000,-1622746.650995,5048339.444288,3532350.728741,1],    "boundingVolume": {    "region": [1.881753,0.590695,1.881860,0.590783,0.000000,6.676450]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/27/31_1321750.b3dm"}}}