{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895727,-0.444605,0.000000,0.000000,0.284195,-0.572555,0.769035,0.000000,-0.340976,0.686949,0.641745,0.000000,-2177795.342647,4387509.122354,4071349.847867,1],    "boundingVolume": {    "region": [2.031469,0.696712,2.031590,0.696830,0.000000,40.183657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_766989.b3dm"}}}