{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950220,-0.311580,0.000000,0.000000,0.173889,-0.530307,0.829781,0.000000,-0.258000,0.786819,0.560670,0.000000,-1647295.420584,5023730.710695,3555835.369140,1],    "boundingVolume": {    "region": [1.887602,0.595137,1.887701,0.595253,0.000000,8.549514]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/8_1453992.b3dm"}}}