{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948885,-0.315621,0.000000,0.000000,0.176470,-0.530542,0.829086,0.000000,-0.261126,0.785050,0.561703,0.000000,-1667256.969828,5012451.994670,3562398.346424,1],    "boundingVolume": {    "region": [1.891839,0.596389,1.891976,0.596496,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1113695.b3dm"}}}