{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950539,-0.310606,0.000000,0.000000,0.173526,-0.531036,0.829391,0.000000,-0.257072,0.786710,0.561250,0.000000,-1641370.717042,5023040.671604,3559523.193301,1],    "boundingVolume": {    "region": [1.886569,0.595839,1.886685,0.595953,0.000000,8.816373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1425761.b3dm"}}}