{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948888,-0.315612,0.000000,0.000000,0.176454,-0.530511,0.829109,0.000000,-0.261126,0.785074,0.561668,0.000000,-1667256.527565,5012608.314702,3562180.065157,1],    "boundingVolume": {    "region": [1.891829,0.596348,1.891967,0.596454,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112814.b3dm"}}}