{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897205,-0.441615,0.000000,0.000000,0.285326,-0.579682,0.763254,0.000000,-0.336117,0.682871,0.648624,0.000000,-2146823.829443,4361588.285594,4115118.307679,1],    "boundingVolume": {    "region": [2.028142,0.705741,2.028245,0.705810,0.000000,9.896672]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/20_1837127.b3dm"}}}