{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949672,-0.313247,0.000000,0.000000,0.174789,-0.529909,0.829847,0.000000,-0.259402,0.786428,0.560573,0.000000,-1656242.355074,5021227.565329,3555219.003996,1],    "boundingVolume": {    "region": [1.889326,0.594945,1.889488,0.595211,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357305.b3dm"}}}