{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871414,-0.490549,0.000000,0.000000,0.211769,-0.376187,0.902018,0.000000,-0.441927,0.785042,0.434060,0.000000,-2820453.366473,5010268.922589,2751699.341895,1],    "boundingVolume": {    "region": [2.083460,0.448955,2.083572,0.449035,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_222141.b3dm"}}}