{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949513,-0.313729,0.000000,0.000000,0.115663,-0.350060,0.929559,0.000000,-0.291362,0.881818,0.370817,0.000000,-1859202.171988,5626945.784433,2350372.173291,1],    "boundingVolume": {    "region": [1.889860,0.379831,1.889968,0.379946,0.000000,4.562201]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/21_74542.b3dm"}}}