{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950557,-0.310550,0.000000,0.000000,0.173467,-0.530961,0.829451,0.000000,-0.257044,0.786783,0.561161,0.000000,-1641194.417180,5023504.489071,3558953.727766,1],    "boundingVolume": {    "region": [1.886510,0.595730,1.886626,0.595845,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1343597.b3dm"}}}