{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952366,-0.304957,0.000000,0.000000,0.168837,-0.527270,0.832755,0.000000,-0.253429,0.791449,0.556222,0.000000,-1618082.928476,5053204.432674,3527562.885891,1],    "boundingVolume": {    "region": [1.880635,0.589788,1.880743,0.589876,0.000000,7.732976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/16/20_1322834.b3dm"}}}