{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950970,-0.309284,0.000000,0.000000,0.172909,-0.531652,0.829125,0.000000,-0.255895,0.786812,0.561645,0.000000,-1633860.765403,5023699.456933,3562030.768520,1],    "boundingVolume": {    "region": [1.885164,0.596263,1.885310,0.596482,0.000000,7.987580]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1385808.b3dm"}}}