{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898104,-0.439784,0.000000,0.000000,0.284269,-0.580519,0.763013,0.000000,-0.334617,0.683337,0.648909,0.000000,-2137244.851089,4364570.208805,4116930.219010,1],    "boundingVolume": {    "region": [2.026088,0.706038,2.026220,0.706261,0.000000,10.642843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1820276.b3dm"}}}