{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894706,-0.446655,0.000000,0.000000,0.284618,-0.570127,0.770680,0.000000,-0.343287,0.687647,0.639763,0.000000,-2192534.989576,4391926.194175,4058741.664366,1],    "boundingVolume": {    "region": [2.033753,0.694127,2.033886,0.694252,0.000000,42.419424]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_984593.b3dm"}}}