{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950537,-0.310612,0.000000,0.000000,0.173493,-0.530925,0.829469,0.000000,-0.257101,0.786782,0.561135,0.000000,-1641557.498506,5023503.461569,3558788.833822,1],    "boundingVolume": {    "region": [1.886575,0.595699,1.886691,0.595813,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1424480.b3dm"}}}