{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950183,-0.311692,0.000000,0.000000,0.174274,-0.531268,0.829085,0.000000,-0.257875,0.786123,0.561704,0.000000,-1646499.632470,5019303.520638,3562405.586294,1],    "boundingVolume": {    "region": [1.887700,0.596340,1.887839,0.596548,0.000000,8.503361]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1397981.b3dm"}}}