{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897664,-0.440681,0.000000,0.000000,0.285496,-0.581553,0.761767,0.000000,-0.334747,0.681878,0.650375,0.000000,-2138094.620805,4355279.209494,4126254.894879,1],    "boundingVolume": {    "region": [2.027078,0.707964,2.027230,0.708191,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796974.b3dm"}}}