{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950869,-0.309593,0.000000,0.000000,0.172980,-0.531283,0.829347,0.000000,-0.256220,0.786941,0.561316,0.000000,-1635930.725089,5024519.368922,3559937.733547,1],    "boundingVolume": {    "region": [1.885488,0.595865,1.885634,0.596084,0.000000,8.816387]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422329.b3dm"}}}