{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949919,-0.312495,0.000000,0.000000,0.174292,-0.529810,0.830015,0.000000,-0.258832,0.786794,0.560323,0.000000,-1652601.635046,5023558.817943,3553630.245812,1],    "boundingVolume": {    "region": [1.888533,0.594710,1.888697,0.594842,0.000000,12.572804]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1376801.b3dm"}}}